Table 3. Results of multivariate linear regression analysis for all the DFNFs—adjusted for age and sex.

Variable	β value	95% CI	P value
Pauwels angle	−0.04	−0.102 to 0.022	0.208
Garden type	3.562	2.345 to 4.780	<0.001
Simplified AO/OTA classification
31B 1.3	Reference
31B 2.1	−2.553	−4.244 to −0.863	0.003
31B 2.2	−1.757	−3.433 to −0.082	0.040
31B 2.3	−3.01	−4.65 to −1.37	<0.001

DFNF, displaced femoral neck fracture; CI, confidence interval; AO/OTA, AO Foundation/Orthopaedic Trauma Association.