Nonanatomical Reduction of Femoral Neck Fractures in Young Patients (≤65 Years Old) with Internal Fixation Using Three Parallel Cannulated Screws

Table 6

Multivariate logistic regression analysis of risk for reoperations.

Variables	Adjusted OR (95% CI)
Garden classification
I, II	1
III, IV	6.904 (0.571 to 83.449)	0.129
Reduction classification
Anatomic reduction	1
Positive buttress position reduction	1.274 (0.245 to 6.618)	0.773
Negative buttress position reduction	5.744 (1.177 to 28.042)	0.031
CTI (every 0.1)
0.4-0.5	1
0.5-0.6	0.033 (0.002 to 0.543)	0.017
0.6-0.7	0.086 (0.006 to 1.298)	0.076
Angle of inferior screw
≤125°	1
>125°	0.063 (0.006 to 0.659)	0.021

CI: confidence interval; CTI: cortical thickness index; OR: odds ratio; TCD: tip-caput distance.