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Table 6 logistic regression for AKI

From: Effect of continuous intraoperative infusion of methoxamine on renal function in elderly patients undergoing gastrointestinal tumor surgery: a randomized controlled trial

 

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

–

–

  1. Factors of P < 0.10 in the univariate analysis were included in the multivariate analysis. All the variables for regression analysis were listed in the chart, among which preoperative creatinine and the frequency of intraoperative hypotension were significant risk factors for AKI in this study
  2. OR Odds ratio