Increasing the angle between caudal screw and the transverse plane may aggravate the risk of femoral head necrosis by deteriorating the fixation stability in patients with femoral neck fracture

Table 2 Logistic regression analysis of AVF

	OR	95% CI		P value
Univariate analyses
Age	0.993	0.952	1.035	0.737
Sex (male/female)	0.764	0.324	1.801	0.538
BMI	0.977	0.842	1.134	0.763
Stability status (Pauwels angle < or ≥ 50°)	0.398	0.16	0.993	0.048^#
Cross angle	0.913	0.851	0.98	0.012^#
Absolute value of cross angle	1.058	0.945	1.185	0.327
Multivariate analysis
Stability status (Pauwels angle < or ≥ 50°)	0.471	0.184	1.204	0.116
Cross angle	0.921	0.857	0.991	0.027*

^#Variables that achieved a significance level of P < 0.1 in the univariate analysis
^*Statistical significance (P < 0.05)

ISSN: 2047-783X