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Table 4 Postoperative course

From: Delayed primary closure of contaminated abdominal wall defects with non-crosslinked porcine acellular dermal matrix compared with conventional staged repair: a retrospective study

  Group 1 Group 2
Abdominal wall infection as a complication of primary surgery 9 11
Peritonitis 7 8
Preoperative ASA score 1.9 2.1
Mean days in ICU 7.6 (range 0–41) 9.3 (range 0–45)
Mean number of surgical procedures 3.0 (range 1–9) 3.2 (range 1–10)
Mean number of NPWT dressing changes 1.2 (range 0–3 ) 1.0 (range 0–7)
Mean number of days in-hospital stay 27.2 (range 9–70) 26.1 (range 7–70)
Hernia on discharge first admission 0 4
Removal of mesh or PADM 0 0
Rate of recurrence at one year 1 (7.1%) 1 (7.1%)
  1. ASA, American Society of Anesthesiologists; NPWT, negative pressure wound therapy; PADM, porcine acellular dermal matrix; ICU, intensive care unit.