Efficacy and safety of combined negative pressure therapy after skin grafting on limbs: A systematic review and meta-analysis.

In contrast, in three studies involving upper limb skin grafts, although the NPWT group showed a trend toward improved outcomes, the difference was not statistically significant(MD = 3.24, 95 % CI [−4.17, 10.64], p = 0.39) ( Figure 4 A).

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