Table 1.
Patient’s characteristics for receiving antibiotics during the pre- and post-intervention periods.
| Characteristic | Pre-intervention | Post-intervention | p-value |
|---|---|---|---|
| Admissions, n | 883 | 880 | |
| Age, mean (SD) | 61.97 (15.75) | 62.17 (16.87) | 0.79a |
| Male | 482 (54.59) | 484 (55.0) | 0.86 |
| Principal diagnosis (top 5), n (%b) | 0.19 | ||
| Acute pancreatitis | 140 (15.86) | 160 (18.18) | 0.51 |
| Choledocholithiasis | 135 (15.29) | 124 (14.09) | |
| Choledocholithiasis with cholangitis | 59 (6.68) | 73 (8.29) | |
| Cirrhosis | 74 (8.38) | 68 (7.72) | |
| Chronic gastritis (Helicobacter pylori) | 43 (4.87) | 42 (4.77) |
Data are number (%) unless otherwise indicated. All p-values calculated using Chi-square unless otherwise noted. SD, standard deviation; at-test; bthe percentage of the patients with the indicated diagnosis who received antibiotics as a percentage of the total patients in the same period.