Table 3 Univariable and multivariable analyses of predictors of postoperative complications

Age (years)

 <55 (reference)

1.00

–

 55–64

0.62 (0.33–1.16)

0.137

 ≥65

1.11 (0.58–2.13)

0.752

Gender

 Female (reference)

1.00

–

 Male

2.12 (0.68–9.36)

0.245

Hospital

 A (reference)

 B

3.67 (1.39–9.80)

0.009

2.05 (0.67–6.23)

0.20

 C

3.04 (1.56–5.94)

0.001

2.25 (1.07–4.70)

0.03

 Other

0.71 (0.25–1.73)

0.475

0.83 (0.28–2.11)

0.73

IHD

2.57 (1.27–5.18)

0.008

3.31 (1.48–7.44)

<0.01

Creatinine (mkm/L)

1.00 (0.99–1.02)

0.215

–

Glucose (mmol/L)

0.76 (0.60–0.93)

0.014

0.71 (0.63–0.95)

0.02

ASA score

 1 or 2 (reference)

–

 3 or 4

2.074 (1.15–3.70)

0.014

Any transfusion (RBC/FFP)

2.82 (1.65–4.85)

<0.001

1.99 (1.10–3.64)

0.02