Summary of main results
| Intervention | Outcome | Preintervention mean (SD) monthly total | Postintervention mean (SD) monthly total | % Change in mean | Mean change post−pre (95% CI) | P values |
| Apr–Oct 2009–2013 | Apr–Oct 2014 | |||||
| A&G | GP-referred attendances | 206.8 (27.8) | 189.7 (22.5) | −8.3% | −17.1 (5.6 to −39.8) | 0.1 |
| Ward admissions | 252.9 (22.6) | 249.3 (15.8) | −1.5% | −3.7 (14.5 to −21.8) | 0.7 | |
| <1 day admissions | 194.1 (20.3) | 177.6 (14.2) | −8.5% | −16.6 (−0.2 to −32.9) | 0.05 | |
| Overall bed-days | 341.9 (62.5) | 414.4 (55.6) | 21.2% | 72.5 (124.0 to 21.0) | 0.01 | |
| SSPAU | Nov–Oct 2009–2012 | Nov–Oct 2014–2015 | ||||
| Ward admissions | 248.0 (21.5) | 213.4 (16.6) | −14.0% | −34.6 (-21.3 to −48.0) | 0.0001 | |
| <1 day admissions | 186.6 (21.8) | 164.9 (14.7) | −11.6% | −21.7 (-8.4 to −35.1) | 0.002 | |
| Overall bed-days | 345.3 (60.4) | 295.1 (52.5) | −14.5% | −50.2 (-12.1 to −88.3) | 0.01 |