Table 6.

Comparison of AOFAS scores between the two groups ($\overline{x}\pm s$, points).

Group	N	Before treatment	2 weeks after treatment	4 weeks after treatment	8 weeks after treatment
C group	65	60.48 ± 5.23	66.79 ± 3.42	74.67 ± 4.42	83.93 ± 3.33
R group	65	60.49 ± 5.22	70.48 ± 3.31	80.83 ± 4.21	87.83 ± 4.31
t		0.010	6.250	8.136	5.772
P		0.991	<0.001	<0.001	<0.001