Variable | AKI/non AKI | Odds ratio (95% CI) | P |
---|---|---|---|
 | n = 87/n = 1079 |  |  |
Age | 66.9 ± 13.2/61.5 ± 15.5 | 1.03 (1.01 to 1.04) | 0.002 |
   ≥65 years | 56 (64)/525 (49) | 1.91 (1.21 to 3.00) | 0.005 |
   < 65 years | 31 (36)/554(51) | 1 |  |
Gender | Â | 0.96 (0.61 to 1.51) | 0.855 |
   Female | 31 (36)/374 (35) |  |  |
   Male | 56 (64)/705 (65) |  |  |
Body mass index, median | 24.0 ± 4.3/25.6 ± 5.8 | 0.94 (0.89 to 1.00) | 0.019 |
Duration of anesthesia (min.) | 233 ± 140/230 ± 113 | 1.00 (0.99 to 1.00) | 0.772 |
General/Combined anesthesia, n. (%) | 72 (85)/868 (80) | 4.59 (1.43 to 14.71) | 0.010 |
Emergency surgery | 29 (33)/202 (19) | 2.17 (1.36 to 3.49) | 0.001 |
ASA physical status | Â | Â | Â |
   II/III | 68(78)/1026 (95) | 1 |  |
   IV/V | 19 (22)/53 (5) | 5.41 (3.03 to 9.65) | < 0.001 |
Temperature at admission | 35.1 ± 1.8/35.2 ± 1.3 | 0.91 (0.78 to 1.07) | 0.251 |
Troponin at admission | 0.20 ± 0.57/0.06 ± 0.29 | 1.81 (0.95 to 3.44) | 0.070 |
Hypertension | 40(46)/525 (49) | 0.90 (0.58 to 1.39) | 0.631 |
Hyperlipidemia | 24 (28)/314(29) | 0.93 (0.57 to 1.50) | 0.765 |
High-risk surgery | 63 (72)/465 (43) | 3.47 (2.13 to 5.63) | < 0.001 |
Ischemic heart disease | 33 (38)/246 (23) | 2.07 (1.31 to 3.26) | 0.002 |
Congestive heart disease | 40 (46)/193 (18) | 3.91 (2.49 to 6.12) | < 0.001 |
Cerebrovascular disease | 12(14)/158 (15) | 0.93 (0.50 to 1.76) | 0.829 |
Insulin therapy for diabetes | 9 (10)/95 (9) | 1.20 (0.58 to 2.46) | 0.628 |
RCRI | Â | Â | Â |
   ≤2 | 54 (62)/833 (77) | 1 |  |
   > 2 | 33 (38)/246 (23) | 3.30 (2.12 to 5.14) | < 0.001 |
Intraoperative fluid volume | Â | Â | Â |
   Crystalloids (L) | 3.0 ± 2.3/2.6 ± 1.7 | 1.14 (1.02 to 1.28) | 0.024 |
   Colloids (L) | 0.3 ± 0.5/0.2 ± 0.4 | 1.76 (1.11 to 2.78) | 0.016 |
   Erythrocytes (Units) | 1.2 ± 2.6/0.7 ± 1.5 | 1.15 (1.04 to 1.27) | 0.005 |
   Fresh frozen plasma (Units) | 0.6 ± 1.5/0.2 ± 1.0 | 1.22 (1.04 to 1.42) | 0.012 |