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Pain level as measured by the visual analog scale in patients presented with ZAP. Both the two groups showed significant changes in the VAS over time, and showed no difference at any time point examined with the exception of the 3 month interval.
Notes: *P<0.05 compared with the pretreatment VAS level. #P<0.05 compared with the VAS level of group A.
Abbreviations: ZAP, zoster-associated pain; VAS, visual analog scale.
