Readmission risk and regression-discontinuity difference-in-difference analysis
| Risk score | Intervention | Pre readmission intervention rate (%) | Post readmission intervention rate (%) | Diff postintervention (%) | Diff-in-Diff (%) | 95% | P value |
| Low-risk to moderate-risk threshold (n=4819) | |||||||
| 4 | No | 11.6 | 12.0 | 0.5 | 2.67 | −1.3 to 6.6 | 0.18 |
| 5 | Yes | 11.2 | 14.3 | 3.1 | |||
| Moderate-risk to high-risk threshold (n=3465) | |||||||
| 8 | No | 19.6 | 20.8 | 1.2 | 1.02 | −4.7 to 6.7 | 0.73 |
| 9 | Yes | 19.6 | 21.8 | 2.2 | |||
| High-risk to Super Utilizer threshold (n=1500) | |||||||
| 13 | No | 39.4 | 36.7 | −2.6 | 8.07 | −2.3 to 18.5 | 0.13 |
| 14 | Yes | 43.0 | 48.5 | 5.4 | |||