Age, mean (SD) |
82.6 (8.2) |
79.27 (8.2) |
Female, n (%) |
1,771,929 (66.8) |
821,266 (62.3) |
Race, n (%) |
-White |
2,298,531 (86.7) |
1,143,253 (86.7) |
-Black |
252,261 (9.5) |
115,029 (8.7) |
-Other |
21,852 (0.8) |
14,196 (1.1) |
-Asian |
32,014 (1.2) |
15,726 (1.2) |
-Hispanic |
34,472 (1.3) |
22,684 (1.7) |
-North American Native |
6478 (0.2) |
4010 (0.3) |
-Unknown |
6140 (0.2) |
3679 (0.3) |
Comorbidities, n(%) |
-Severe Infection |
35,788 (1.3) |
12,824 (1.0) |
-Other Infectious Disease & Pneumonias |
824,257 (31.1) |
268,259 (20.3) |
-Metastatic Cancer/Acute Leukemia |
64,705 (2.4) |
31,676 (2.4) |
-Severe Cancer |
107,660 (4.1) |
56,528 (4.3) |
-Other Cancers |
142,306 (5.4) |
64,325 (4.9) |
-Diabetes Mellitus |
823,447 (31.1) |
398,046 (30.2) |
-Protein-calorie Malnutrition |
345,726 (13.0) |
76,884 (5.8) |
-End-stage Liver Disease |
31,035 (1.2) |
12,268 (0.9) |
-Severe Hematological Disorders |
41,528 (1.6) |
18,770 (1.4) |
-Alcohol Abuse |
66,303 (2.5) |
13,997 (1.1) |
-Psychiatric Comorbidity |
667,232 (25.2) |
236,461 (17.9) |
-Hemiplegia, paraplegia, paralysis, disability |
162,315 (6.1) |
38,703 (2.9) |
-Seizure Disorders |
137,133 (5.2) |
35,251 (2.7) |
-Congestive heart failure |
698,022 (26.3) |
274,544 (20.8) |
-Coronary atherosclerosis or angina |
1,375,417 (51.9) |
624,115 (47.3) |
-Specified arrhythmias |
651,168 (24.6) |
255,648 (19.4) |
-Chronic obstructive pulmonary disease |
796,597 (30.0) |
366,763 (27.8) |
-Other chronic lung disorders |
99,699 (3.8) |
52,112 (4.0) |
-Dialysis |
37,859 (1.4) |
12,002 (0.9) |
-Decubitus Ulcer or Chronic Skin Ulcer |
192,132 (7.2) |
45,613 (3.5) |
-Septicemia/Shock |
183,439 (6.9) |
41,793 (3.2) |
-Disorders of fluid, electrolyte, acid-base |
792,087 (29.9) |
257,512 (19.5) |
-Iron Deficiency or other anemias |
1,183,565 (44.6) |
480,113 (36.4) |
-Cardiorespiratory Failure or Shock |
282,161 (10.6) |
99,360 (7.5) |
-Acute Renal Failure |
566,091 (21.3) |
194,542 (14.8) |
-Pancreatic Disease |
45,988 (1.7) |
20,989 (1.6) |
-Rheumatoid Arthritis |
112,500 (4.2) |
56,776 (4.3) |
-Respirator Dependence/Tracheostomy |
7989 (0.3) |
2065 (0.2) |
-Transplants |
5268 (0.2) |
3747 (0.3) |
-Coagulation Defects/Hematologic Disorders |
117,307 (4.4) |
42,132 (3.2) |
-Hip Fracture/Dislocation |
123,631 (4.7) |
20,189 (1.5) |
Six most common reasons for hospitalization, n(%) |
-Total knee or hip replacement |
352,519 (13.3) |
288,402 (21.9) |
-Sepsis |
213,601 (8.1) |
59,332 (4.5) |
-Congestive heart failure |
259,897 (9.8) |
177,957 (13.5) |
-Urinary tract infection |
211,318 (8.0) |
61,905 (4.7) |
-Hip Fracture |
226,242 (8.5) |
0 |
-Pneumonia |
215,725 (8.1) |
107,369 (8.1) |