Diagnostic performances of single-lead ECG and 12-lead ECG
| Index text | Sensitivity % (95% CI) | Specificity % (95% CI) | PPV % (95% CI) | NPV % (95% CI) |
| Radiograph-CT-ECG | 60.3 (47.7 to 72.0) | 97.2 (96.2 to 98.1) | 53.9 (42.1 to 65.5) | 97.9 (96.9 to 98.6) |
| Nurse-ECG | 97.1 (89.8 to 99.6) | 100 (99.7 to 100) | 100 (94.6 to 100) | 99.8 (99.4 to 100) |
NPV, negative predictive value; PPV, positive predictive value;nurse-ECG, 12-lead ECG assessed by nurses; radiograph-CT-ECG, CT-related single-lead ECG assessed by radiographers.