Table 2. Comparison of general characteristics between patients with and without acute kidney injury (AKI).
| Variables | Without AKI | With AKI | P | ||
|---|---|---|---|---|---|
| n = 204 | % | n = 103 | % | ||
| Age (years) | 54 ± 15 | 61 ± 14 | < 0.001 | ||
| Gender (female/male) | 74 (36.3%) / 130 (63.7%) | 35 (34%) / 68 (66%) | 0.707 | ||
| Diabetes mellitus | 49 | 24.0% | 46 | 44.7% | < 0.001 |
| Hypertension | 67 | 32.8% | 60 | 58.3% | < 0.001 |
| CPOD | 5 | 2.5% | 1 | 1.0% | 0.668 |
| CKD | 1 | 0.5% | 14 | 13.6% | < 0.001 |
| Heart failure | 6 | 2.9% | 10 | 9.7% | 0.026 |
| Smoking | 31 | 15.2% | 21 | 20.4% | 0.263 |
| Respiratory support | |||||
| Simple mask | 49 | 24.0% | 5 | 4.9% | < 0.001 |
| Reservoir mask | 92 | 45.1% | 17 | 16.5% | |
| HFNC | 6 | 2.9% | 4 | 3.9% | |
| NIV | 16 | 7.8% | 10 | 9.7% | |
| IV | 41 | 20.1% | 67 | 65.0% | |
CPOD = chronic pulmonary obstructive disease; CKD = chronic kidney disease; HFNC = high-flow nasal canula; NIV = noninvasive ventilation; IV = invasive ventilation.