TABLE 1.
Patient Characteristics and Univariable Analysis of Hospital Survival
| Characteristic(s) | Overall, n (%) | Discharged Alive, n (%) | p |
|---|---|---|---|
|
| |||
| Total | 5,120 (100) | 1,572 (30.7) | |
|
| |||
| Sex | |||
| Male | 3,585 (70.0) | 1,085 (30.3) | 0.29 |
| Female | 1,512 (29.5) | 481 (31.8) | |
| Missing/unknown | 23 (0.004) | 6 (26.2) | |
|
| |||
| Age (yr) | |||
| Group 1 (18–49) | 1,638 (32.0) | 546 (33.3) | < 0.001 |
| Group 2 (50–64) | 2,018 (39.4) | 646 (32.0) | |
| Group 2 (65–74) | 1,069 (20.9) | 287 (26.9) | |
| Group 4 (≥ 75) | 395 (7.71) | 93 (23.5) | |
|
| |||
| Race | |||
| White | 2,965 (57.9) | 944 (31.8) | 0.823a |
| Asian | 830 (16.2) | 259 (31.15) | |
| African American | 477 (9.3) | 150 (31.5) | |
| Hispanic | 206 (4.0) | 58 (28.2) | |
| Other | 390 (7.6) | 118 (30.3) | |
| Missing/unknown | 252 (4.9) | 43 (17.1) | |
|
| |||
| Body mass index | |||
| < 25 | 1,398 (27.3) | 497 (35.6) | < 0.001 |
| 25–29.9 | 2,198 (42.9) | 622 (28.3) | |
| ≥ 30 | 1,524 (29.8) | 453 (29.7) | |
| Missing | 730 (14.3) | Not available | |
|
| |||
| pH (n = 3,229) | |||
| < 7.0 | 976 (19.1) | 240 (24.6) | < 0.001 |
| 7.01 –7.2 | 2,939 (57.4) | 899 (30.6) | |
| ≥ 7.2 | 1,205 (23.5) | 433 (35.9) | |
| Missing | 1,910 (37.3) | Not available | |
|
| |||
| Charlson Comorbidity Index | |||
| 0 | 2,978 (58.2) | 901 (30.3) | 0.656 |
| 1 –2 | 1,999 (39.0) | 624 (31.2) | |
| ≥ 30 | 143 (2.8) | 47 (32.9) | |
|
| |||
| Pre-extracorporeal membrane oxygenation interventions | |||
| Cardiac supportb | 920 (18.0) | 274 (29.8) | 0.504 |
| Renal replacement therapy | 217 (4.2) | 44 (20.3) | < 0.001 |
a
χ2 testing, does not include “missing/unknown race.”
b
Bi, right, or left ventricular assistance device, pacemaker, cardiopulmonary bypass, intra-aortic balloon pump, or percutaneous ventricular assist device.