Table 2.

Multifactor logistics regression analysis of risk factors for surgical failure of SILS.

	OR value	OR 2.5%	OR 97.5%	Z value	P-value
Age, years	0.886	0.523	1.460	−0.469	0.639
Weight, kg	0.982	0.880	1.092	−0.333	0.739
Height, cm	1.087	0.978	1.216	1.518	0.129