Table 1.
Baseline Characteristics
| All, N = 41,463, N (%) | Decedents, n (%) | Survivors, n (%) | p* | |
|---|---|---|---|---|
| 14,512 (35) | 25,951 (65) | |||
| Age | <0.001 | |||
| 65–74 | 18,901 (45.6) | 5399 (28.6) | 13,502 (71.4) | |
| 75–79 | 7708 (18.6) | 2624 (34.0) | 5084 (66.0) | |
| 80–84 | 6877 (16.6) | 2760 (40.1) | 4117 (59.9) | |
| 85–89 | 5167 (12.5) | 2220 (43.0) | 2947 (57.0) | |
| ≥90 | 2810 (6.8) | 1390 (49.5) | 1420 (50.5) | |
| Sex | 0.53 | |||
| Male | 21,245 (51.2) | 7397 (34.8) | 13,848 (65.2) | |
| Female | 20,208 (48.7) | 6991 (34.6) | 13,217 (65.4) | |
| Race | <0.001 | |||
| White | 26,471 (63.8) | 9537 (36.0) | 16,934 (64.0) | |
| Black | 9718 (23.4) | 2936 (30.2) | 6782 (69.8) | |
| Other | 5284 (12.7) | 1920 (36.4) | 3354 (63.6) | |
| Principal diagnosis (N = 35,036) | <0.001 | |||
| Sepsis | 11,952 (33.2) | 5136 (42.9) | 6836 (57.1) | |
| Respiratory failure | 9297 (26.5) | 2069 (22.3) | 7228 (77.8) | |
| Cerebrovascular disease | 5460 (15.6) | 3016 (55.2) | 2444 (44.8) | |
| Myocardial infarction | 1801 (5.1) | 774 (43.0) | 1027 (57.0) | |
| Epilepsy and convulsions | 1219 (3.5) | 77 (6.3) | 1142 (93.7) | |
| Pneumonia | 848 (2.4) | 265 (31.3) | 583 (68.8) | |
| Congestive heart failure | 799 (2.3) | 195 (24.4) | 604 (75.6) | |
| Aspiration pneumonitis | 755 (2.2) | 219 (29.0) | 536 (71.0) | |
| COPD | 598 (1.7) | 82 (13.7) | 516 (86.3) | |
| Cardiac dysrhythmias | 485 (1.4) | 162 (33.4) | 323 (66.6) | |
| Charlson Comorbidity Index | <0.001 | |||
| 0 | 4032 (9.7) | 1264 (31.4) | 2768 (68.7) | |
| 1–2 | 16,277 (39.3) | 5699 (35.0) | 10,578 (65.0) | |
| 3–4 | 12,730 (30.7) | 4283 (33.6) | 8447 (66.4) | |
| >4 | 8424 (20.3) | 3147 (37.4) | 5277 (62.6) |
*
p-Value based on Kruskal-Wallis testing.