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Table 2 Patient demographics of the three periods, based on the presence of an ACS service

From: Acute care surgery: a means for providing cost-effective, quality care for gallstone pancreatitis

  Period 1 Period 2 Period 3 p value
Number, n 139 241 55
Site A, n (%) 73 (53) 127 (53) 32 (58) 0.74
Age, year, mean (SD) 55 (21) 58 (20) 57 (21) 0.45
Male, n (%) 50 (36) 97 (40) 23 (40) 0.65
  1. Period 1: 2008–2010 (no ACS at either site)
  2. Period 2: 2010–2014 (ACS at site A)
  3. Period 3: 2014–2015 (ACS at both sites)