extremely significantP < 0.001
Firstly, the average BMD in the pelvic fracture group was 0.763 ± 0.026 g/cm2, which was significantly lower than 0.925 ± 0.051 g/cm2 in the normal group, with a statistically extremely significant difference ( P < 0.001), suggesting that low BMD is a main risk factor for pelvic fractures.