Safe surgical corridor for iliosacral screw placement in unstable pelvic fractures: a computed-tomography-guided validation study of the “triangulation method”

Table 4 Grouping according to BMI

Variables	N (n = 132)	OW (n = 50)	Effect size	P-value
Gender (male/female)	68/64	20/30	χ² = 1.926	0.165
Femoral rotation angle (mean ± SD, °)	24.42 ± 5.61	25.87 ± 5.95	T = 1.491	0.140
Abscissa (mean ± SD)	0.48 ± 0.038	0.49 ± 0.043	T = 2.346	0.020
Ordinate (mean ± SD)	0.86 ± 0.048	0.86 ± 0.051	T = 0.011	0.991

BMI, body mass index; N, normal-weight group; OW, overweight group; SD, standard deviation

ISSN: 1754-9493