Readmissions within 30 days for the intervention and control wards before and during the intervention
| Control ward | Intervention ward | Two sample z-test for difference in population proportions | |||
|---|---|---|---|---|---|
| Patient numbers | Discharges | Readmissions | Discharges | Readmissions | |
| 12-month period prior to intervention | 446 | 72 (16.1%) | 403 | 78 (19.4%) | Not significantly different |
| 12-month intervention period | 490 | 107 (21.8%) | 418 | 69 (16.5%) | z=2.05, p=0.041 |
| Pearson's goodness-of-fit χ2 test for difference in proportions | Not significantly different χ2=3.33, p=0.068 | Not significantly different χ2=1.52, p=0.375 | |||