Table 6.
Diagnostic performance of the prediction model.
| Variable | AUC (95% CI) | SD | Sensitivity (95% CI) | Specificity (95% CI) | Z | P |
|---|---|---|---|---|---|---|
| Model 1 | 0.978 (0.955–0.991) | 0.007 | 94.07 (88.7–97.4) | 92.42 (87.8–95.7) | ||
| Model 2 | 0.970 (0.946–0.986) | 0.009 | 95.56 (90.6–98.4) | 89.90 (84.8–93.7) | 1.092 | 0.275 |
| No. stenosed coronary vessels | 0.650 (0.597–0.702) | 0.027 | 100.00 (97.3–100.00) | 0.00 (0.0–1.8) | 12.151 | <0.001 |
| LVEDV | 0.876 (0.836–0.910) | 0.018 | 89.63 (83.2–94.2) | 69.19 (62.3–75.5) | 6.269 | <0.001 |
| LVEF | 0.684 (0.631–0.734) | 0.018 | 60.00 (51.2–68.3) | 73.23 (66.5–79.3) | 9.863 | <0.001 |
| TGF-β at admission | 0.696 (0.644–0.745) | 0.029 | 75.56 (67.4–82.5) | 57.58 (50.4–64.6) | 9.872 | <0.001 |
| cTnI at admission | 0.913 (0.877–0.941) | 0.019 | 88.15 (81.5–93.1) | 92.93 (88.4–96.1) | 3.040 | 0.002 |
| 3-d cTnI | 0.945 (0.914–0.967) | 0.012 | 90.37 (84.1–94.8) | 85.35 (79.6–90.0) | 7.962 | <0.001 |
3-d cTnI – cardiac troponin I 3 d after admission; AUC – area under the curve; CI – confidence interval; LVEDV – left ventricular end-diastolic volume; LVEF – left ventricular ejection fraction; SD – standard deviation; TGF-β – transforming growth factor-beta.