Table 2.

VAS scores after treatment.

Groups	Pretreatment	Posttreatment
		12th week	24th week
Treatment	42.08 ± 5.03 (n = 125)	33.17 ± 5.94∗# (n = 121)	30.07 ± 5.01∗∗## (n = 112)
Control	43.18 ± 5.12 (n = 125)	42.15 ± 5.48 (n = 118)	43.12 ± 6.73 (n = 108)

At the 12th week, there were total 121 and 118 patients in treatment group and control group, respectively. At the 24th week, there were total 112 and 108 patients in treatment group and control group, respectively. *P < 0.05, compared with control group; **P < 0.01, compared with control group. ^# P < 0.05, compared with pretreatment and  ^## P < 0.01 compared with 12th week.