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Table 3 Comparisons of the constituent ratios of pivot point, length-width ratio (LWR), width of the skin island, and top-edge location

From: Distally based peroneal artery perforator-plus fasciocutaneous flap in the reconstruction of soft tissue defects over the distal forefoot: a retrospectively analyzed clinical trial

  Survival flaps (n = 47), n (%) Partial necrosis flaps (n = 9), n (%) p*
Pivot point (above the tip of the lateral malleolus)    1.000
 ≤ 7 cm 41 (83.7) 8 (16.3)  
 > 7 cm 6 (85.7) 1 (14.3)  
Length-to-width ratio    0.656
 < 5:1 8 (80.0) 2 (20.0)  
 ≥ 5:1 39 (84.8) 7 (15.2)  
Width of the skin island    1.000
 < 8 cm 11 (81.8) 2 (18.2)  
 ≥ 8 cm 36 (83.7) 7 (16.3)  
Top-edge location    0.005
 8th zone 35 (94.6) 2 (5.4)  
 9th zone 12 (63.2) 7 (36.8)  
  1. *Fisher’s exact test