Fig. 3From: Percutaneous radiofrequency thermocoagulation and microvascular decompression for treating glossopharyngeal neuralgia: a retrospective clinical studyComparison of VAS score pre- and post operation \((\bar x\, \pm \,s)\). Notes: *P<0.05 indicates post operation VS pre-operation. #P<0.05 indicates PRT group vs. MVD group. Abbreviations: PRT, percutaneous radiofrequency thermocoagulation; MVD, microvascular decompression; VAS, visual analogue scaleBack to article page