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Table 6 postoperative complications. *Cut off point was set to a certain volume of the wound upon which wound healing was assessed accordingly

From: Assessment of the effect of platelet rich plasma on the healing of operated sacrococcygeal pilonidal sinus by lay-open technique: a randomized clinical trial

complication Group A (n = 50) Group B (n = 50) Chi square
(P-value)
Wound infection 10 (20%) 3 (6%) 4.3 (0.01)* S
Delayed wound healing* 3 (6%) 1 (2%) 0.3** NS
  1. * Significant
  2. ** Not Significant