Table 3.
Predicted* Versus Actual Number of Tests and Charges for Cardiac Biomarker Testing in the Post-Intervention Year
| Test | Predicted | Actual | Difference |
|---|---|---|---|
| Number of tests ordered | |||
| Troponin | 26,634 | 22,265 | −4,369 (−16 %) |
| CK | 27,867 | 3,703 | −24,134 (−87 %) |
| CK-MB | 24,660 | 1,279 | −23,376 (−95 %) |
| Total | 79,161 | 27,247 | −51,914 (−66 %) |
| Charges (thousands) | |||
| Troponin | $1,382 | $1,156 | -$226 (−16 %) |
| CK | $344 | $45.7 | -$298 (−87 %) |
| CK-MB | $760 | $39.4 | -$720 (−95 %) |
| Total | $2,486 | $1,241 | -$1,245 (−50 %) |
* Predicted number of tests ordered based on forecast mean tests per patient assuming the baseline pre-intervention trend continued in the post-intervention period