Table 3.

Risk factors for complications, logistic regression analysis

Risk factor	Regression coefficient	p value	OR (95% CI)
Fracture type (ref. type A1)
A2	0.68	0.08	1.97 (0.93–4.17)
A3	0.88	0.056	2.40 (0.98–5.91)
Neck, undisplaced	0.12	0.78	1.12 (0.50–2.54)
Neck, displaced	0.54	0.11	1.71 (0.88–3.30)
Charlson comorbidity index (ref. 0)
1	−0.04	0.88	0.96 (0.55–1.68)
2	0.41	0.17	1.50 (0.84–2.68)
≥3	1.17	<0.001	3.19 (1.67–6.08)
Male sex	−0.40	0.08	0.67 (0.43–1.06)
General anesthesia (ref. spinal anesthesia)	0.41	0.07	1.51 (0.97–2.35)

OR odds ratio, CI confidence interval