Combined average daily ordering rates for selected tests across both ED sites
| Test | Preintervention (tests/day) | Postintervention (tests/day) | P values |
| LDH | 75.1 | 23.2 | P<0.00005 |
| CBC | 197.7 | 196.1 | P=0.7663 |
| Creatinine | 113.0 | 110.9 | P=0.5661 |
CBC, complete blood count; ED, emergency department; LDH, lactate dehydrogenase.