Table 4.

The results of correlation analyses

Analysis	Correlation coefficient	P-valuea
Age vs ΔROM	−0.006	0.969
Age vs ΔAOFAS	0.146	0.339
Age vs ΔVAS	0.222	0.143
ΔROM vs ΔAOFAS	0.125	0.415
ΔROM vs ΔVAS	0.179	0.239
ΔAOFAS vs ΔVAS	0.046	0.765

Note:

^aSpearman’s rank correlation test.

Abbreviations: AOFAS, American Orthopedic Foot and Ankle Society; ROM, range of motion; VAS, visual analog scale.