Safety endpoints before and after intervention at intervention site compared with control sites
| Safety endpoint | IRR | 95% CI | P value |
| Stat tests ordered | 0.98 | 0.80 to 1.19 | 0.825 |
| Critically abnormal test results | 1.03 | 0.78 to 1.35 | 0.837 |
| Patient length of stay | 1.03 | 0.90 to 1.17 | 0.7 |
| OR | 95% CI | P value | |
| ICU transfer rate | 0.87 | 0.63 to 1.20 | 0.396 |
| 30-day readmission | 1.11 | 0.89 to 1.38 | 0.343 |
| 30-day mortality rate | 1.24 | 0.84 to 1.83 | 0.28 |
IRR, incidence rate ratio.