A. Introduction

B. Terms used and constants employed:

C. Admission rates for troops in the United States:

D. Admission rates for overseas troops:

E. Admission rates from battle casualties

F. Method of estimating the constant increase in the total sick and the hospital populations

G. Disposition of patients:

H. Hospital care of Theater of Operations patients in Theater of Operations and in the Zone of the Interior

28. Character of patients to be sent to the Zone of Interior
29. Duration of hospital treatment of Theater of Operations patients
30. Percentage of Theater of Operations patients sent to the Zone of the Interior in relation to hospital beds required in each area

I. Total hospital beds required In the Zone of the Interior

II. -LOSS OF MAN POWER IN WAR:

J. Losses in the Theater of Operations:

31. Cases disposed of in Zone of the Interior
32. Deaths
33. Total losses in the Theater of Operations
34. Total losses by separate months

K. Losses in the mobilization area

III. -MEDICAL SERVICE IN THE COMBAT ZONE

L. Diseases and non-battle injuries

35. Total in the Theater of Operations
36. In the combat area

M. Battle casualties-collection of data

37. Composition of organizations
38. Strength of organizations
39. Sources of casualty data
40. Engagements studied
41. Method of assembling data
42. Percentage of gas wounded, gunshot wounded, and killed

N. Battle Casualties-Presentation of data

43. Infantry regiments
44. Casualties by arms of service
45. Infantry divisions
46. Army Corps
47. First American Army
48. Summary of the estimated combat requirements and average casualty rates

O. Battle Casualties-Transportation required

49. Gunshot wounded
50. Gunshot and gas wounded

P. Battle Casualties-Disposition of cases in the combat area

51. Percentage of short duration cases
52. Hospitalization of short duration eases

SECTION II.

TECHNICAL DETAILS.

IV. -EXPLANATORY NOTES AND DEVELOPMENT OF FORMULAE

Q. Explanatory notes

R. Development of formulae

53. Patients leaving sick report
54. Graduation of material
55. Patients remaining on sick report
56. Exponential curve

S. Computation of data for short duration eases

57. Percentage leaving hospital each day by return to duty or death
58. Average days of treatment
59. Patients in hospital on the maximal-day
60. Patients in hospital on any day when the maximal one is the tenth, etc.

REFERENCES

LIST OF TABLES

Table No.

1. Percentage of cases treated in hospital with the average days per case and corresponding noneffective rates, when the admission rates are as assumed
2. Disposition of any one group of American Expeditionary Force patients in the American Expeditionary Forces during one year following admission
3. Disease and nonbattle injury Theater of Operations patients in hospital at the end of each month, when the daily admission rate is 1.00 per 1000 total American Expeditionary Forces strength; the number of those in hospital in the Zone of the Interior, when either 3% or 12.39 % of all admissions are sent there; and the number in the Theater of Operations hospital when the latter percentage has been transferred
4. (1) Patients per 1000 Theater of Operations strength in hospital in the Theater of Operations and Zone of the Interior when 1.00 per 1000 Theater of Operations strength is admitted each day from each cause and the specified percentages are sent to the Zone of the Interior (2) Patients as above with the same admission rates as occurred in the American Expeditionary Forces from July 1 to Nov. 11, 1918
5. Beds required for Theater of Operations patients under specified conditions
6. Number of cases disposed of during one year in the Zone of the Interior, from the two expeditionary forces
7. Percentage of the total deaths in hospital from the three classes of causes in the American Expeditionary Forces which occurred in any group at different time intervals
8. Disposition of disease and nonbattle injury patients admitted to hospital during the first 360 days of operations in the Theater of Operations, when the daily admission rate from such admissions is 1.00 per 1000 Theater of Operations strength
9. Disposition of gas casualties during the first360 days of battle, when the daily admission rate from poisonous gases is. 1.00 per 1000 Theater of Operations strength
10. Disposition of gunshot casualties during the first 360 days of battle, when the daily admission rate from gunshot missiles is 1.00 per 1000 Theater of Operations strength
11. After 360 days of battle: (1) Total cases to be accounted for, including the killed in action; (2) cases returned to duty in the Theater of Operations; (3) total losses
12. Losses per 1000 men in any one group of them by months of service in the Theater of Operations, when the daily admission rates to hospital per 1000 total strength are approximately the same as occurred in the American Expeditionary Forces, from July 1 to Nov. 11, 1918, (excluding the influenza epidemic)
13. Total losses in the American Expeditionary Forces by months
14. Daily admission rates from diseases by systems by months, among each 1000 white enlisted men in combat divisions and in the total American Expeditionary Forces, June to October, 1918
15. Daily admission rates from disease by systems among each 1000 white enlisted men on battle line, among troops in combat divisions, and in the total American Expeditionary Forces, June to October,1918
16. Relative number of cases of sickness among the front area troops as compared with the estimated total in the American Expeditionary Forces
17. Maximal Infantry regimental casualty day rates per 1000 men with the five next highest on days either immediately preceding or following each one; i.e., the rates are shown for six consecutive days
18. Maximal Infantry divisional casualty day rates per 1000 men with the five next highest ones on days Immediately preceding or, following; i.e., the rates are shown for six consecutive days
19. Maximal daily casualty rates in the Corps of the First American Army during the Meuse-Argonne offensive with the four next highest rates on either immediately preceding or following days; i.e., on five consecutive days
20. Casualty rates for the First American Army on each day during the Meuse-Argonne offensive
21. Maximal daily casualty rates per 1000 strength in the First American Army during the Meuse-Argonne offensive
22. Casualty rates per 100 ( %) of unit strength suggested as a basis for estimating the necessary medical relief on severe combat days, as determined by the American Expeditionary Forces experience
23. Location of battle gunshot wounds in the American Expeditionary Forces with rates per 1000 total cases, and percentage fatality rate of each location
24. Estimation of evacuation requirements for patients wounded by gunshot missiles. Number in each 1000 total wounded
25. Estimation of evacuation requirements for patients wounded by war gasses and gunshot missiles, separately and combined ;rates per 1000 cases
26. Percentage of short duration cases, as reported in the American Expeditionary Forces leaving hospital each day from the first to the tenth
27. The accumulation in hospital to any day from the first to the tenth of patients who will return to duty or die on that day or before. Ad mission rate from each cause is 1.00 per day
28. The accumulation in hospital to any day from the first to the tenth of patients who will return to duty or die on the tenth day or before. Ad mission rate from each cause is 1.00 per day
29. Number of patients among white enlisted men in the United States, 1925-1927, inclusive, leaving sick report during each week; and also the number remaining on sick report at end of each week
30. Percentage of the, total deaths in hospital which occurred during the first ten days from the three classes of cases in the American Expeditionary Forces
31. Method of finding the eventually, fatal gassed cases in hospital at the and of ten days among those that die in ten days or less, when the daily admission rate from the group is 1.00
32. Average duration of treatment of cases in hospital who will return to duty or die at any time between one day or less and ten days or less
33. Fatal gassed cases in hospital on any day in a group surviving ten days or less

LIST OF ILLUSTRATIONS

Fig. No.

1. Percentage of cases of diseases and nonbattle injuries treated in hospital
2. Average days of treatment per case of disease and nonbattle injury treated in hospital and quarters combined among white and colored American troops in different countries at different periods
3. Average days of treatment per case in the United States and Europe during the World War (April 1917- December 1919
4. The relation of the noneffective rate to the average daily admission rate and the average days lost per patient
5. Daily admission rates to hospital and quarters combined from nonbattle injuries, diseases, and the two combined per 1,000 strength, American troops, serving in the U. S. by periods from1819 to 1927 inclusive
6. Daily admission rates to hospital and quarters from diseases and nonbattle injuries by months per 1,000 enlisted men serving in the United States
7. Daily admission rates to hospital and quarters from diseases and nonbattle injuries per 1,000 strength of white and colored troops by color, serving in the United States at different periods
8. Relative magnitude of admission rates to hospital and quarters from diseases and nonbattle injuries among white men by nativity (native state), serving in the United States and Europe from April 1, 1917 through December 1919
9. Relative magnitude of admission rates to hospital and quarters from diseases and nonbattle injuries by nativity(native state), arranged by Corps Areas, among white troops, and also among white and colored troops combined, who were serving in the United States and Europe from April 1, 1917 through December 1919
10. Daily admission rates to hospital and quarters from diseases and nonbattle injuries per 1,000 strength, American troops in thirty large camps during 1918, excluding September and October. Also the maximum rate averaged for any one month in each camp, again excluding September and October
11. Relative frequency of daily admission rates from diseases and nonbattle injuries to hospital and quarters combined per 1,000 strength in 30 large camps in the United States during 1918, exclusive of September and October
12. Relative frequency of daily admission rates from diseases and nonbattle injuries to hospital only per 1,000 strength In 30 large camps in the United States during 1918, exclusive of September and October
13. To show for each daily admission rate to hospital and quarters combined from diseases and nonbattle injuries in the Zone of the Interior, the corresponding rate to hospital only; and also the ultimate number of sick accumulating from each daily admission rate
14. A. Comparative daily admission rates to hospital and quarters, from diseases and nonbattle injuries per 1,000 strength, seasoned and unseasoned American Troops under peace and war conditions. B. Also their approximate relative magnitude
15. Daily admission rates to hospital and quarters from diseases and nonbattle injuries per 1,000 strength American troops in different countries at different periods
16. Relative magnitude of admission rates to hospital and quarters from disease and nonbattle injuries among American troops in different countries at different periods, compared with that in the United States
17. A. Approximate average relative magnitude of admission rates to hospital and quarters from diseases and nonbattle injuries among American troops In different countries under peace conditions, compared with that in the United States. B. Also the estimated relative magnitude of such rates in war in different climates under favorable and unfavorable conditions
18. Daily admission rates to hospital and quarters and noneffective rates in hospital from diseases and nonbattle injuries, per 1,000 strength American troops serving in different countries under different conditions
19. Daily admission rates from battle injurie per 1,000 men in the Union Army during the Civil War; and also in the United States Army in the Philippine Islands during the Philippine Insurrection
20. Daily admission rates from gas and gunshot missiles separately and combined, per 1,000 men in the total American Expeditionary Forces by months and also by periods
21. Daily reduction during one half day and the entire day in the number of patients in a group admitted on any one day
22. Showing how the total number of patients from diseases and nonbattle Injuries in the Zone of the Interior increase on each of ten days after mobilization begins
23. Daily increase in the number of disease and nonbattle injury patients in hospitals and quarters in the United States,1925 to 1927
24. Daily increase in the number of disease and nonbattle injury patients in hospital and quarters, in hospital, and in quarters in the United States in 1918
25. A method of computing the number of hospital patients in a Zone of the Interior command which is increasing 10,000 each15 days, when the daily admission rate to hospital and quarters combined is 3.50 per 1,000 as it was in the United States in 1918 (excluding September and Oct.)
26. Daily increase in the number of disease and nonbattle injury patients in hospital only in the United States, 1918
27. Daily Increase in the number of Theater of Operations hospital patients admitted from diseases and nonbattle Injuries
28. Daily increase in the number of Theater of Operations hospital patients admitted for wounds by war (poisonous)gases
29. Daily increase In the number of Theater of Operations hospital patients admitted for wounds by gunshot missiles
30. Daily increase In the number of battle injury cases in hospital in the American Expeditionary Forces in 1918
31. Daily Increase in the total number of American Expeditionary Forces patients in hospital in 1918
32. Continuous change in the status of disease and nonbattle injury patients in the United States
33. Continuous change in the status of disease and nonbattle injury hospital patients while in the American Expeditionary Forces
34. Continuous change in the status of gas patients while in the American Expeditionary Forces
35. Continuous change in the status of gunshot patients while in the American Expeditionary Forces
36. Continuous change in the status of gas and gunshot patients while in the American Expeditionary Forces combined in the same proportion as they occurred there
37. Continuous change in the status of hospital patients, while in the American Expeditionary Forces, admitted for all causes and in the same proportions as in the American Expeditionary Forces
38. Duration of treatment both in the Theater of Operations and Zone of the Interior of Theater of Operations disease and nonbattle injury patients
39. Duration of treatment both in the Theater of Operations and Zone of the Interior of Theater of Operations gassed patients
40. Duration of treatment both in the Theater of Operations and Zone of the Interior of Theater of Operations gunshot patients
41. Number of Theater of Operations patients from diseases and nonbattle injuries in hospital in the Theater of Operations and Zone of the Interior, when certain percentages of the Theater of Operations admissions are sent to the Zone of the Interior
42. Number of Theater of Operations patients from gas injuries in hospital in the Theater of Operations and Zone of the Interior, when certain percentages of the Theater of Operations admissions are sent to the Zone of the Interior
43. Number of Theater of Operations patients from gunshot injuries in hospital In the Theater of Operations and Zone of the Interior, when certain percentages of the admissions are sent to the zone of the Interior
44. Method of computing the total hospital patients to be expected in a Theater of Operations command under approximately the same conditions as there were In the American Expeditionary Forces in 1918
45. Method of computing for a command in the Theater of Operations the hospital patients to be treated In the Theater of Operations when: (a) There Is an Increasing strength; (b) admissions from both battle and nonbattle causes; (c) and certain percentages are sent to the Zone of the Interior for further treatment
46. Method of computing the Theater of Operations hospital patients to be treated in the Zone of the Interior when certain percentages of patients are sent there from a command in the Theater of Operations, where there is an increasing strength, and where there are admissions from both battle and nonbattle causes with the same rates as there were in the American Expeditionary Forces in 1918
47. Theater of Operations cases of diseases and nonbattle injuries disposed of in the Zone of the Interior by return to duty, death, or disability discharge when sent to the Zone of the Interior for further treatment
48. Theater of Operations war gas cases disposed of In the Zone of the Interior by return to duty, death, or disability discharge when sent to the Zone of the Interior for further treatment
49. Theater of Operations gunshot cases disposed of in the Zone of the Interior by return to duty, death, or disability discharge when sent to the Zone of the Interior for further treatment
50. A. Method of computing the Theater of Operations hospital patients to be disposed of in the Zone of the Interior when certain percentages of patients are sent there from a command in the Theater of Operations where there is an increasing strength and where there are admissions from both battle and nonbattle causes at a constant rate. B. The total Theater of Operations patients to be hospitalized in the Zone of the Interior. C. The grand total Theater of Operations patients to be handled in the Zone of the Interior
51. Loss of manpower in the Theater of Operations from diseases and nonbattle injuries due to deaths, noneffectives in hospital(patients), and cases disposed of in the Zone of the Interior when sent there for further treatment
52. Loss of manpower In the Theater of Operations from war (poisonous) gases due to deaths, non effectives in hospital (patients),and cases disposed of in the Zone of the Interior when sent there for further treatment
53. Loss of manpower in the Theater of Operations from gunshot missiles due to deaths, non effectives in hospital (patients),and cases disposed of in the Zone of the Interior when sent there for further treatment
54. Loss of manpower from diseases and non battle injuries in the Theater of Operations during, successive months
55. Cases of diseases and nonbattle injuries returned to duty in the Theater of Operations during successive months
56. Loss of manpower from war (poisonous)gases in the Theater of Operations, during successive months
57. Gas cases returned to duty in the Theater of operations during successive months
58. Loss of manpower from gunshot injuries In the Theater of Operations during successive months
59. Gunshot cases returned to duty in the Theater of Operations during successive months
60. Losses from diseases and nonbattle injuries by months under approximately the same conditions as occurred in the American Expeditionary Forces where there was a material increase in the strength each month, and where the constant average daily admission rate to hospital only from these cases was 1.65 per 1,000 American Expeditionary Forces strength
61. Method of computing the losses to be expected in the Theater of Operations in a command in which there is an increasing strength; where there are admissions from both battle and nonbattle causes; and also when certain percentages of the patients are sent to the Zone of the Interior
62. Losses from war (poisonous) gases by months under approximately the same conditions as occurred in the American Expeditionary Forces where there was a material increase in: (a) The strength each month; (b) also in the admission rate at different periods
63. Losses from gunshot injuries by months, under approximately the same conditions as occurred in the American Expeditionary Forces where there was a material increase in: (a) The strength each month;(b) also in the admission rate at different periods
64. Loss of manpower in the mobilization area (U.S.) among those actually enrolled in the military service from diseases and nonbattle injuries due to deaths, discharges for disability, and noneffectives in hospital (patients)
65. Daily admission rates by classes of diseases per 1,000 strength of white troops in the front area, and also in the total American Expeditionary Forces, for the period from June 1 to October 31, 1918
66. Daily admission rates from diseases per 1,000 strength of white troops in the front area, and in the total American Expeditionary Forces, for the period June 1st to October 31st, 1918, and also for each month of that period
67. Average daily number of American Divisions in the First American Army in each of its Corps, both in line and in reserve, and also in the Army Reserve for the period of 47 days, from September 26 to November 11, 1918
68. Variation In the percentage that the gassed, gunshot wounded and killed in action were of the total casualties according to the severity of the engagement
69. Summation curve showing how often various regimental daily casualty rates occurred during major operations in the American Expeditionary Forces in 1918
70. Summation curve showing how often various divisional daily casualty rates occurred during major operations in the American Expeditionary Forces in 1918
71. The daily casualty rates on the five maximal casualty days for divisions (not including the 2nd) in line (not in reserve) in the First American Army during the Meuse-Argonne and selected divisions in the Aisne-Marne and Somme Offensives; also the average daily casualty rate for the divisions during those engagements
72. Summation curve showing how often various Corps daily casualty rates occurred in the five Corps of the First American Army, including the divisions with the French as a Corps, during the Meuse-Argonne Operation, Sept. 26 to Nov. 11, 1918
73. The maximal daily casualty rate for each Corps of the First American: Army during the Meuse-Argonne Sept. 26 to Nov. 11, 1918, and also the average rate for each one during the entire period
74. Summation-curve showing how often various Army daily casualty rates occurred among American Troops in the First American Army during the Meuse-Argonne Operation, Sept. 26 to Nov. 11, 1918
75. The daily casualty rates on the three maximal casualty days for the First-American Army in the Meuge-Argonne Sept. 26 to Nov. 11, and also the average daily casualty rate during the same period
76. Average daily casualty rates per 1,000strength for the period from Sept. 26 to Nov. 11, 1918, Inc., for the total American Expeditionary Forces, First American Army, corps of the First American Army, divisions in line (not in reserve) of the First American Army, and Infantry regiments of all divisions in line (including those in divisional reserve)
77. Histogram and fitted skew curve for daily admission rates from diseases and nonbattle injuries to hospital and` quarters, per 1,000 strength in 30 large camps in the United States during 1918,excluding September and October
78. Histogram and fitted skew curve for daily admission rates from diseases and nonbattle injuries to hospital only per 1,000 strength in 30 large camps in the United States during 1918, excluding September and. Oct.
79. Duration of treatment (leaving sick report)of diseases and nonbattle injury cases among white enlisted men in hospital and quarters in the United States in 1925 - 1927
80. Duration of treatment (remaining on sick report) of disease and nonbattle injury cases in hospital and quarters as they occur in the United States
81. Duration of treatment (leaving hospital)of disease and nonbattle injury cases in hospital as they occur in the United States
82. Duration of treatment (remaining in hospital)of disease and nonbattle injury cases as they occur in the United States
83. Duration of treatment (leaving hospital)of disease and nonbattle injury cases which occurred in the American Expeditionary Forces in 1918 while in the American Expeditionary Forces and later in the United States
84. Duration of treatment (remaining in hospital)in the American Expeditionary Forces and later in the United States of disease and nonbattle Injury cases which occurred in the American Expeditionary Forces in 1918
85. Duration of treatment (leaving hospital)in the American Expeditionary Forces only of disease and nonbattle injury cases which occurred there in 1918
86. Duration of treatment (remaining in hospital)in the American Expeditionary Forces only of disease and nonbattle injury cases which occurred there in 1918
87. Duration of treatment of Gas cases which occurred in the American Expeditionary Forces in 1918
88. Duration of treatment of Gunshot cases which occurred in the American Expeditionary Forces in 1918
89. Duration of treatment of disease and nonbattle injury cases who were admitted to hospital in the United States in 1918 and returned to duty
90. Duration of treatment of disease and nonbattle injury cases which returned to duty while in the American Expeditionary Forces in 1918
91. Duration of treatment of Gas cases which returned to duty in the American Expeditionary Forces in 1918
92. Duration of treatment of Gunshot cases which returned to duty in the American Expeditionary Forces in 1918
93. Duration of treatment of disease and nonbattle injury patients admitted to hospital in the United States in1918, who ultimately died
94. Duration of treatment of disease and nonbattle injury patients admitted to hospital In the United States in1918, who were ultimately discharged for disability
95. Duration of treatment of disease and nonbattle injury patients admitted to hospital in the United States in1918, who ultimately died or were discharged for disability
96. Duration of treatment of disease and nonbattle injury patients admitted to hospital in the American Expeditionary Forces in 1918 who ultimately died
97. Duration of treatment of gas patients admitted to hospital in the American Expeditionary Forces in 1918, who ultimately died
98. Duration of treatment of Gunshot patients admitted to hospital in the American Expeditionary Forces in 1918, who ultimately died
99. Relationship of the number wounded by poisonous gases to those wounded by gunshot missiles
100. Relationship of the number killed by all causes to those wounded by gun shot missiles or by poisonous gases