Table 5.
Association between ECG ischemia features and adverse clinical events (death, reinfarction, and new onset HF), return to ED, and rehospitalization reported within 30 days. (No models were fit for reinfarction because there were only 13 cases.)
| ECG variable | Odds ratio for Death | p-value | Odds ratio for New Onset HF | p-value |
|---|---|---|---|---|
| Model 1: Adjusted ORs controlling for age, race, gender, medical history | ||||
| T-wave inversion | 1.39 (0.96, 2.02) | 0.09 | 1.59 (1.31, 1.93) | <.0001 |
| ST-Depression | 1.49 (1.02, 2.18) | 0.038 | 1.29 (1.05, 1.58) | 0.01 |
| ST-Elevation | 1.13 (0.74, 1.73) | 0.58 | 0.68 (0.54, 0.86) | 0.002 |
| Model 2: Adjusted ORs controlling for age, race, gender, medical history, LBBB, Early repolarization, and LVH. | ||||
| T-wave inversion | 1.25 (0.83, 1.87) | 0.29 | 1.42 (1.15, 1.74) | 0.0009 |
| ST-Depression | 1.41 (0.94, 2.14) | 0.10 | 1.14 (0.92, 1.42) | 0.22 |
| ST-Elevation | 1.01 (0.63, 1.60) | 0.98 | 0.65 (0.50, 0.83) | 0.0006 |
Note: we had also intended to control for ventricular pacing in Model 2, but the small event numbers in those with ventricular pacing led to model instability, so it was removed.