| Univariate | Multivariate | ||
---|---|---|---|---|
Variables | OR(95%CI) | P value | OR(95%CI) | P value |
Age | 1.00(0.92–1.09) | 0.997 | – | – |
Sex | 4.75(1.06–21.26) | 0.042 | 1.98(0.36–10.80) | 0.430 |
ASA grade | ||||
II | 5.28(0.67–1.68) | 0.114 | 3.49(0.39–31.44) | 0.265 |
III | 8.86(0.99–9.00) | 0.051 | 3.05(0.26–35.62) | 0.374 |
NYHA grade | ||||
II | 1.51(0.46–4.97) | 0.497 | – | – |
Operation type | ||||
 colon | 0.69(0.22–2.15) | 0.525 | – | – |
 rectum | 0.85(0.29–2.49) | 0.772 | – | – |
 COPD | 1.54(0.40–5.92) | 0.528 | – | – |
 diabetes | 1.72(0.52–5.73) | 0.375 | – | – |
 TIA | 1.13(0.35–3.65) | 0.838 | – | – |
 hypertension | 2.50(0.99–6.23) | 0.052 | 1.88(0.62–5.66) | 0.264 |
 Preoperative creatinine | 1.04(1.00–1.07) | 0.032 | 1.04(1.01–1.57) | 0.028 |
 Anesthesia time (min) | 1.01(0.99–1.01) | 0.213 | – | – |
 Operation time (min) | 1.01(0.99–1.01) | 0.131 | – | – |
 Mode of operation   (laparotomy/ Laparoscopic) | 0.77(0.29–2.04) | 0.598 | 0.66(0.22–1.93) | 0.444 |
 Introperative Liquid volume (ml) | 1.00(1.00–1.01) | 0.068 | 1.00(0.99–1.00) | 0.446 |
 Introperative urine volume (ml) | 1.00(0.99–1.00) | 0.990 | – | – |
 Introperative Hb(g/L) | 1.14(0.87–1.48) | 0.344 | – | – |
 Hypotension frequency | 1.30(1.07–1.57) | 0.009 | 1.28(1.04–1.57) | 0.020 |
 Duration of hypotension | 1.03(0.99–1.07) | 0.145 | – | – |