Table 1 Demographic characteristics
Variables | AKI (n = 177) | non-AKI (n = 764) | Total (n = 941) | AKI | Severe AKI | ||
|---|---|---|---|---|---|---|---|
OR (95%CI) | P | OR (95%CI) | P | ||||
Demographic characteristics | |||||||
 Age | 73.67 ± 15.19 | 63.37 ± 16.25 | 65.31 ± 16.55 | 1.05 (1.03–1.06) |  < 0.001 | 1.04 (1.03–1.06) |  < 0.001 |
 Male gender, n (%) | 133 (75.1) | 500 (65.4) | 633 (67.3) | 1.59 (1.09–2.35) | 0.019 | 1.50 (0.91–2.58) | 0.127 |
 BMI(kg/m2) | 22.55 ± 3.58 | 22.09 ± 3.80 | 22.18 ± 3.76 | 1.04 (0.99–1.08) | 0.130 | 1.01 (0.95–1.07) | 0.773 |
Comorbidities | |||||||
 Hypertension, n (%) | 65 (21.3) | 240 (78.7) | 305 (100.0) | 0.79 (0.54–1.15) | 0.222 | 0.84 (0.50–1.36) | 0.480 |
 Diabetes mellitus, n (%) | 29 (20.7) | 111 (79.3) | 140 (100.0) | 0.96 (0.59–1.51) | 0.848 | 0.72 (0.34–1.37) | 0.345 |
 Coronary heart disease, n (%) | 53 (32.7) | 109 (67.3) | 162 (100.0) | 1.66 (1.10–2.48) | 0.015 | 1.68 (0.97–2.85) | 0.060 |
 Stroke, n (%) | 35 (33.3) | 70 (66.7) | 105 (100.0) | 1.70 (1.05–2.70) | 0.027 | 1.93 (1.03–3.48) | 0.033 |
 CKD, n (%) | 84 (51.5) | 79 (48.5) | 163 (100.0) | 6.30 (4.22–9.45) |  < 0.001 | 5.04 (2.97–8.52) |  < 0.001 |
 Malignancy, n (%) | 43 (18.4) | 191 (81.6) | 234 (100.0) | 1.06 (0.70–1.57) | 0.787 | 1.20 (0.69–2.02) | 0.505 |
Treatment | |||||||
 Emergency, n (%) | 94 (24.9) | 283 (75.1) | 377 (100.0) | 1.63 (1.16–2.31) | 0.005 | 1.67 (1.05–2.67) | 0.030 |
 Surgery, n (%) | 31 (25.0) | 93 (75.0) | 124 (100.0) | 1.63 (1.01–2.57) | 0.041 | 1.44 (0.72–2.69) | 0.274 |
 Nephrotoxic drug, n (%) | 136 (24.5) | 418 (75.5) | 554 (100.0) | 2.79 (1.90–4.17) |  < 0.001 | 2.50 (1.50–4.29) |  < 0.001 |