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Treatment preferences for the three common flaps: DMAPF (green), dorsal metacarpal artery perforator flap; CFF (blue), cross-finger flap (with groin skin graft); AVF (purple), arterialized venous flap. Most patients in cluster 3 preferred CFF, while clusters 1 and 2 favored DMAPF. (a) First-choice method; (b) share-of-preference method.
