Ultrasound-Guided Inactivation of Trigger Points Combined with Muscle Fascia Stripping by Liquid Knife in Treatment of Postherpetic Neuralgia Complicated with Abdominal Myofascial Pain Syndrome: A Prospective and Controlled Clinical Study

Table 4

Comparison of the efficacy of each group at one week after the end of treatment cycle and after three months of follow-up.

Group (n)	Efficient at 1 week after the end of treatment cycle (%, n)	Efficient at three months of follow-up (%, n)	Recurrence rate at three months of follow-up (%, n)
C1	83.9 (26/31)^a	79.3% (23/29)^a	3.8% (1/26)
C2	37.5 (12/32)	33.3% (10/30)	16.7% (2/12)
PL	96.9 (31/32)^a	89.7 (26/31)^a	12.9% (4/31)
PA	87.5 (28/32)^a	75.9 (22/29)^a	10.7% (3/28)

Note. ^aSignificantly different compared to the C2 group, .