Table 2.

The model for the probability of femoral shortening in pediatric DDH surgery

Predictors	Odds ratio	95% CI	P Value	VIF
Age in months*	1.11	1.08–1.13	0.001	1.003
Male gender	1.89	0.10–3.60	0.052	1.002
IHDI grade IV vs III	15.44	2.05–116.21	0.008	1.000

DDH developmental dysplasia of the hip, IHDI international hip dysplasia institute, VIF variance inflation factor, (*) per unit change