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Table 1 Demographic data in the intervention group and the control group

From: Effects of chewing gum against postoperative ileus after pancreaticoduodenectomy – a randomized controlled trial

  Intervention n=7 Control n=10 Calculated difference (p)
Gender (Male/Female) 5/2 4/6 .201
Age, years 65.9 (8.7) 63.2 (9.2) .559
Duration of surgery, min 419.4 (96.1) 443.4 (97.4) .0881
Peroperative blood loss, ml 971 (971.4) 1720 (1650.2) .248
  1. Number of participants or mean (±SD).