Table 3.
Summary of Results Measuring Outcome Improvements between Pre- and Post-Implementation Phases
| Intervention Units | Non-intervention Units | |||||||
|---|---|---|---|---|---|---|---|---|
| Mortality Rate | Home Discharge Rate | Thirty Day Readmission Rate | Total Hospital Length of Stay | Mortality Rate | Home Discharge Rate | Thirty Day Readmission Rate | Total Hospital Length of Stay | |
| All Patients | ||||||||
| Rates/Means (Raw) | ||||||||
| Post-Implementation | 4.2% | 78.5% | 13.2% | 8.2 | 16.8% | 73.1% | 16.2% | 10.2 |
| Pre-Implementation | 9.0% | 71.3% | 19.1% | 8.8 | 19.8% | 69.7% | 18.6% | 10.3 |
| Rates/Means (w/ PSM) | ||||||||
| Post-Implementation | 4.2% | 78.5% | 13.2% | 8.2 | 16.8% | 73.1% | 16.2% | 10.2 |
| Pre-Implementation | 10.8% | 71.0% | 19.8% | 9.1 | 19.7% | 72.0% | 17.8% | 10.4 |
| Difference of Means / Percentage Point Difference of Rates (w/ PSM) | ||||||||
| Difference | -6.6% | 7.5% | -6.6% | -0.9 | -2.9% | 1.1% | -1.6% | -0.3 |
| 95% Confidence Interval | (-10.8%,-1.4%) | (-1.5%, 15.0%) | (-15.5%,-0.4%) | (-2.3,0.9) | (-6.0%, -0.6%) | (-1.3%, 6.1%) | (-4.2%, 1.0%) | (-1.1,0.7) |
| High Risk Patients | ||||||||
| Rates/Means (Raw) | ||||||||
| Post-Implementation | 7.5% | 76.6% | 12.5% | 9.3 | 23.4% | 67.8% | 18.5% | 11.4 |
| Pre-Implementation | 14.0% | 64.5% | 20.3% | 10.4 | 27.0% | 63.9% | 20.8% | 11.4 |
| Rates/Means (w/ PSM) | ||||||||
| Post-Implementation | 7.5% | 76.6% | 12.5% | 9.3 | 23.4% | 67.8% | 18.5% | 11.4 |
| Pre-Implementation | 14.2% | 66.7% | 22.5% | 10.6 | 26.6% | 63.2% | 19.3% | 11.4 |
| Difference of Means / Percentage Point Difference of Rates (w/ PSM) | ||||||||
| Difference | -6.7% | 9.9% | -10.0% | -1.3 | -3.3% | 4.6% | -0.8% | -0.03 |
| 95% Confidence Interval | (-15.8%, 0.9%) | (-0.9%, 23.0%) | (-18.8%, 0.0%) | (-3.4,1.3) | (-7.0%, 0.7%) | (-0.6%, 8.7%) | (-4.9%, 2.0%) | (-1.1,1.2) |
| Low Risk Patients | ||||||||
| Rates/Means (Raw) | ||||||||
| Post-Implementation | 0.0% | 80.9% | 14.1% | 6.7 | 3.6% | 81.7% | 11.5% | 7.6 |
| Pre-Implementation | 3.4% | 78.1% | 17.7% | 7.0 | 6.7% | 78.0% | 14.6% | 8.2 |
| Rates/Means (w/ PSM) | ||||||||
| Post-Implementation | 0.0% | 80.9% | 14.1% | 6.7 | 3.6% | 81.7% | 11.5% | 7.6 |
| Pre-Implementation | 4.3% | 84.3% | 22.8% | 5.3 | 5.6% | 81.3% | 14.1% | 8.4 |
| Difference of Means / Percentage Point Difference of Rates (w/ PSM) | ||||||||
| Difference | -4.3% | -3.4% | -8.7% | 1.4 | -2.0% | 0.4% | -2.6% | -0.8 |
| 95% Confidence Interval | (-7.4%, 0.0%) | (-12.0%, 10.6%) | (-17.7%, 5.6%) | (-1.9,1.7) | (-4.8%, 0.4%) | (-4.4%, 5.4%) | (-6.7%, 1.6%) | (-2.1,0.6) |