Evaluation metrics
| VTE type . | Measure . | VTE . | No VTE . | Sensitivity (95% CI), % . | Specificity (95% CI), % . | Accuracy (95% CI), % . | PPV (95% CI), % . | NPV (95% CI), % . |
|---|---|---|---|---|---|---|---|---|
| Any | NLP | 85.3 (79.2-91.4) | 98.9 (98.3-99.5) | 97.5 (96.7-98.4) | 89.4 (84.0-94.9) | 98.4 (97.7-99.1) | ||
| VTE | 110 | 13 | ||||||
| No VTE | 19 | 1158 | ||||||
| PE | NLP | 83.3 (53.5-100) | 98.9 (98.3-99.5) | 98.8 (98.2-99.4) | 27.8 (7.1-48.5) | 99.9 (97.7-100) | ||
| VTE | 5 | 13 | ||||||
| No VTE | 1 | 1158 | ||||||
| Lower extremity DVT | NLP | 90.0 (71.4-100) | 98.9 (98.3-99.5) | 98.8 (98.2-99.4) | 40.9 (20.4-61.5) | 99.9 (97.7-100) | ||
| VTE | 9 | 13 | ||||||
| No VTE | 1 | 1158 | ||||||
| Catheter-related DVT | NLP | 85.0 (78.4-91.6) | 98.9 (98.3-99.5) | 97.7 (96.8-98.5) | 88.1 (82.0-94.2) | 98.6 (97.9-99.2) | ||
| VTE | 96 | 13 | ||||||
| No VTE | 17 | 1158 | ||||||
| Manual chart review | Prediction measure | |||||||
| VTE type . | Measure . | VTE . | No VTE . | Sensitivity (95% CI), % . | Specificity (95% CI), % . | Accuracy (95% CI), % . | PPV (95% CI), % . | NPV (95% CI), % . |
|---|---|---|---|---|---|---|---|---|
| Any | NLP | 85.3 (79.2-91.4) | 98.9 (98.3-99.5) | 97.5 (96.7-98.4) | 89.4 (84.0-94.9) | 98.4 (97.7-99.1) | ||
| VTE | 110 | 13 | ||||||
| No VTE | 19 | 1158 | ||||||
| PE | NLP | 83.3 (53.5-100) | 98.9 (98.3-99.5) | 98.8 (98.2-99.4) | 27.8 (7.1-48.5) | 99.9 (97.7-100) | ||
| VTE | 5 | 13 | ||||||
| No VTE | 1 | 1158 | ||||||
| Lower extremity DVT | NLP | 90.0 (71.4-100) | 98.9 (98.3-99.5) | 98.8 (98.2-99.4) | 40.9 (20.4-61.5) | 99.9 (97.7-100) | ||
| VTE | 9 | 13 | ||||||
| No VTE | 1 | 1158 | ||||||
| Catheter-related DVT | NLP | 85.0 (78.4-91.6) | 98.9 (98.3-99.5) | 97.7 (96.8-98.5) | 88.1 (82.0-94.2) | 98.6 (97.9-99.2) | ||
| VTE | 96 | 13 | ||||||
| No VTE | 17 | 1158 | ||||||
| Manual chart review | Prediction measure | |||||||