Table 3.

Multivariable logistic regression analysis of paternal age and fertilization methods with SSR

Variables	OR	95%CI	P
Paternal age group
20 ~ 29	1.000
30 ~ 39	1.020	0.850–1.223	0.833
40 ~ 49	1.220	0.894–1.665	0.209
50 ~ 59	0.298	0.082–1.079	0.065
Fertilization methods
IVF	1.000
ICSI	0.808	0.681–0.958	0.014
R-ICSI	1.261	0.924–1.721	0.143