Table 3.

Multivariate linear regression analysis on predictors for improvement in CE-angle between early- and final-FU

	B	95% CI B	Beta	p value
LLD at early-FU	− 0.34	− 0.80 to 0.10	− 0.28	0.10
CE-angle at early-FU	− 0.43	− 0.87 to − 0.01	− 0.40	0.05
AVN grade	− 2.88	− 9.32 to 3.57	− 0.18	0.36

B unstandardised regression coefficient, Beta standardised regression coefficient, LLD leg-length-difference, FU follow-up, AVN avascular necrosis, CE-angle lateral center-edge-angle of Wiberg, SE standard error