Sensory evaluation results of 4 types of nonsensate flaps.

*, P<0.05, compared with the AVF group; #, P<0.05, compared with the SPBRA group; †, and P<0.05, compared with the UAPF group. AVF: arterialized venous flap, SPBRA: superficial palmar branch of the radial artery, PIPF: posterior interosseous perforator flap, UAPF: ulnar artery perforator free flap, SWM: Semmes-Weinstein monofilament test, NS: normal sensation (filament level, 2.36–2.83), DLT: diminished light touch (filament level, 3.22–3.61), DPS: diminished protective touch (filament level, 3.84–4.31), LPS: loss of protective sensation (filament level, 4.56).*：P<0.05，与动脉化静脉皮瓣（arterialized venous flap, AVF）组比较； #：P<0.05，与桡动脉掌浅支（superficial palmar branch of the radial artery, SPBRA）组比较； †：P<0.05，与尺动脉穿支游离皮瓣（ulnar artery perforator free flap, UAPF）组比较。 AVF：动脉化静脉皮瓣（arterialized venous flap）；SPBRA：桡动脉掌浅支（superficial palmar branch of the radial artery）；PIPF：骨间后动脉穿支皮瓣（posterior interosseous perforator flap）；UAPF：尺动脉穿支游离皮瓣（ulnar artery perforator free flap）；SWM：Semmes-Weinstein单丝检测（Semmes-Weinstein monofilament test）；NS：正常感觉（单丝级别：2.36–2.83）；DLT：轻度触觉减退（单丝级别：3.22–3.61）；DPS：保护性触觉减退（单丝级别：3.84–4.31）；LPS：保护性感觉丧失（单丝级别：4.56）