Table 2.
The variables advanced age, general anesthesia, hypertensive disease, and high ASA scores revealed significant postoperative renal dysfunction. Patients not receiving dicloxacillin preoperatively were given cefuroxime
| Variables | RIFLE < 1.5 | RIFLE ≥ 1.5 | P value | Test |
|---|---|---|---|---|
| n = 505 | n = 81 | |||
| Mean age | 69 (range 37–93) | 73 (range 49–91) | 0.002* | T |
| Mean BMI | 27.4 (range 15–46) | 27.5 (range 18–42) | 0.77 | T |
| Duration of Surgery (minutes) | 64 (range 30–223) | 65 (range 30–161) | 0.67 | T |
| Baseline systolic BP | 147 (range 90–206) | 154 (range 115–231) | 0.011 | T |
| Baseline diastolic BP | 83 (range 40–121) | 80 (range 50–114) | 0.05 | T |
| Intra-operative systolic BP | 90 (range 60–145) | 89 (range 60–170) | 0.53 | T |
| Intra-operative diastolic BP | 52 (range 30–90) | 50 (range 35–80) | 0.24 | T |
| General anesthesia | 265 yes/240 no | 53 yes/28 no | 0.04* | C |
| Gender | 229 M/276 F | 31 M/50 F | 0.28 | C |
| Smoking | 386 no/119 yes | 65 no/16 yes | 0.53 | C |
| Hypertensive patients | 264 | 56 | 0.006* | C |
| Normotensive patients | 241 | 25 | ||
| Diabetes mellitus | 456 no/49 yes | 73 no/8 yes | 1 | C |
| ASA score 1 | 91 | 5 | 0.006* | C |
| ASA score 2 | 319 | 52 | ||
| ASA score 3 | 95 | 24 | ||
| Dicloxacillin | 53 no/452 yes | 3 no/78 yes | 0. 084 | F |
T Welch two sample test, C chi-square test, F Fisher exact test