Table 3.

Correlation between CDI and baseline HKA and JSW

Spearman correlation
	HKA	JSW baseline
Femur CDI (Baseline)	0.34*	0.84*
Tibia CDI (Baseline)	0.21*	0.77*
Tibiofemoral CDI (Baseline)	0.31*	0.87*
HKA JSW change
Femur CDI (Change)	0.29*	0.30*
Tibia CDI (Change)	0.34*	0.40*
Tibiofemoral CDI (Change)	0.36*	0.43*

Notes: *p < 0.05; HKA = hip-knee-ankle; JSW = joint space width change = follow-up minus baseline.