Table 2.

Logistic regression predictors of failure

	Odds ratio	95% CI	P value
Age (decades)	0.7	0.4–1.2	0.20
ASA score	0.2	0.05–0.6	0.004
Subtrochanteric fracture	163	15–1716	< 0.0001
Confirmed pathological fracture	17.5	3–114	0.003

ASA = American Society of Anesthesiologists; CI = confidence interval