Table 3.

Preoperative, intraoperative and postoperative factors and early death

	Univariate		Multivariate
	Odds ratio (95% CI)	p value	Odds ratio (95% CI)	p value
Preoperative factors
Age ≥75 years	11.1 (2.54–49.5)	0.001	13.4 (2.44–73.5)	0.003
Gender (male)	0.16 (0.04–0.69)	0.014	0.25 (0.05–1.29)	0.098
Shock	4.79 (0.45–51.5)	0.200
Emergency	0.88 (0.17–4.46)	0.874
Preoperative IABP use	2.31 (0.43–12.3)	0.328
Previous PCI	0.55 (0.07–4.59)	0.577
Re-operation	4.79 (0.45–51.5)	0.196
Hypertension	1.63 (0.19–13.8)	0.653
Diabetes mellitus	2.01 (0.40–10.1)	0.398
Dyslipidaemia	1.19 (0.28–5.01)	0.817
Obesity	0.47 (0.06–3.90)	0.480
Smoking	0.52 (0.10–2.60)	0.424
PAD	1.40 (0.33–5.96)	0.646
COPD	–	0.980
Anuria	3.80 (0.46–31.5)	0.216
Cardiac dysfunction (EF <35%)	1.90 (0.48–7.49)	0.361
Cerebrovascular disease	–	0.979
Intraoperative and postoperative factors
ACCT ≥90 min	1.19 (0.28–5.01)	0.817
CPBT ≥180 min	3.30 (0.82–13.3)	0.092
Carperitide	0.11 (0.01–0.93)	0.043	0.16 (0.12–1.62)	0.120
POAF	7.37 (1.46–37.2)	0.016	4.56 (0.71–29.5)	0.110

95% CI: 95% confidence level; IABP: intra-aortic balloon pump; PCI: percutaneous coronary intervention; PAD: peripheral artery disease; COPD: chronic obstructive pulmonary disease; EF; ejection fraction; ACCT: aortic cross-clamping time; CPBT: cardiopulmonary bypass time; POAF: postoperative atrial fibrillation