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Table 4 Differences in dressing changes and complications 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

  Number (%) Odds ratio  
Outcome Control (n = 10)a NPWT (n = 10)b (95 % CI) p-valuec
Additional dressing changes required 4 (40 %) 0 (0 %) 0 (0.00 to 1.30) 0.09
Sedation required for dressing changes 2 (20 %) 2 (20 %) 1 (0.06 to 17.08)) 1
Short-term complications 4 (40 %) 0 (0 %) 0 (0.00 to 1.30) 0.09
Major long-term complicationsd 3 (37.5 %) 1 (12.5 %) 0.29 (0.00 to 5.49) 0.56
Wound dehiscence 1 (12.5 %) 0 (0 %) 0.0 (0.00 to 34.67) 0.47
Acute infection 0 (0 %) 0 (0 %) - - -
Chronic infection 1 (12.5 %) 3 (37.5 %) 3.84 (0.23 to 250.88) 0.57
  1. aThere were 8 controls included in the analysis of long-term complications
  2. bThere were 8 NPWT patients included in the analysis of long-term complications
  3. cFisher’s exact test
  4. dPresence of long term complications are unknown for 2 controls and 2 NPWT patients as they were lost-to-follow-up