Table 3.

Multivariate logistic regression analysis of the risk factors for arrhythmia in the study

Variable	Odds ratio	95% CI	P
Age <1 year	1.96	1.18-3.24	0.009
RACHS category ≥3	2.21	1.72-4.04	0.032
CPB time >110 min	1.87	0.89-3.95	0.056
AXC time >60 min	2.32	1.18-4.81	0.024
Adrenaline >0.05 µg/kg/min	1.34	0.39-4.64	0.643
AXC 24 h >10	1.91	0.67-5.42	0.224

CI: Confidence interval, RACHS: Risk adjustment for congenital heart surgery, CPB: Cardiopulmonary bypass time, AXC: Aortic cross-clamp time