Table 1. Demographics and clinical characteristics of the study population.
| Parameter | All patients n = 612 (%) | Survivors n = 167 (%) | Non-survivors n = 445 (%) | p-value |
|---|---|---|---|---|
| Age (years) | 67.6 ± 14.8 | 67.4 ± 14.9 | 67.7 ± 14.7 | 0.851* |
| Sex | ||||
| Male | 365 (59.6) | 95 (56.9) | 270 (60.7) | 0.406+ |
| Female | 247 (40.4) | 72 (43.1) | 175 (39.3) | |
| Etiology of AKI | ||||
| Sepsis | 400 (65.4) | 108 (64.7) | 292 (65.6) | 0.849+ |
| Nephrotoxic | 226 (36.9) | 54 (32.3) | 172 (38.7) | 0.159+ |
| Ischemic | 204 (33.3) | 52 (31.1) | 152 (34.2) | 0.502+ |
| Others | 62 (10.1) | 18 (10.8) | 44 (9.9) | 0.764+ |
| CKD history | 73 (11.9) | 24 (11.4) | 49 (11.0) | 0.264 |
| Comorbidities | ||||
| Diabetes mellitus | 231 (37.7) | 81 (48.5) | 150 (33.7) | 0.001+ |
| Hypertension | 336 (54.9) | 99 (59.3) | 237 (53.3) | 0.202+ |
| Heart Failure | 91 (14.9) | 27 (16.2) | 64 (14.4) | 0.610+ |
| Coronary artery disease | 94 (15.4) | 24 (14.4) | 70 (15.7) | 0.708+ |
| COPD | 13 (2.1) | 2 (1.2) | 11 (2.5) | 0.530+ |
| Cancer | 111 (18.1) | 21 (12.6) | 90 (20.2) | 0.034+ |
| Liver disease | 100 (16.3) | 18 (10.8) | 82 (18.4) | 0.027+ |
Continuous data are presented as mean ± SD, and categorial data as number of patients (%). AKI, acute kidney injury; COPD, chronic obstructive pulmonary disease.
*p-value by Student’s t-test
+p-value by Fisher’s exact test