Clinical Analysis of Single and Double Sacroiliac Screws in the Treatment of Tile C1 Pelvic Fracture

Table 1

Comparison of preoperative general data.

Indicators	Single screw	Double screws	Statistics	values
Sex (male/female)	17/7	21/9	0.113	0.737
Age (years, )			0.172	0.340
Injury cause (traffic/fall)	15/9	19/11	0.165	0.684
Classification (C1.1/C1.2/C1.3)	2/7/15	3/6/21	1.531	0.148
Side (left/right)	10/14	14/16	1.637	0.201
Body mass index (BMI) (kg/m^2, )			0.154	0.378
Time from injury to operation (h, )			0.173	0.462
Complicated internal diseases (yes/no)	10/14	12/18	0.694	0.155