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
| Â | 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 |