Table 7.

Logistic regression analysis on risk factors of CD group.

Risk factors	Regression coefficient	Standard error	P	OR	95% CI
PDA size	1.836	0.928	0.048*	6.274	1.017–38.720
Pre-operative Pp/Ps	0.086	0.042	0.042*	1.089	1.003–1.183
PA diameter of occluder (mm)	−0.041	0.267	0.879	0.960	0.568–1.622

PDA, patent ductus arteriosus; PA, patent artery.

^*p-value of <0.05.