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Table 3 The difference in the median pain scores and discharge scores between control and NPWT groups

From: A preliminary study of the effect of closed incision management with negative pressure wound therapy over high-risk incisions

   Median (25th to 75th Quartile) Difference in medians  
Outcome Time Control (n = 10) NPWT (n = 10) (95 % CI) p-valuea
Modified Glasgow Pain Score 24 h 3 (3 to 4) 3 (1.5 to 4) 0 (−2 to 1) 0.57
48 h 3 (2 to 3) 1 (1 to 2.75) −2 (−2.5 to 0.5) 0.17
72 h 1.5 (1 to 2.75) 1 (1 to 1.75) −0.5 (−2 to 0.5) 0.46
Discharge score 24 h 5 (5 to 5.75) 4 (3.25 to 4.75) −1 (−2 to 0) 0.009
72 h 4 (2.25 to 4.75) 2.5 (2 to 3) −1.5 (−3 to 1) 0.1
  1. aMann-Whitney U test