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Statistical measures of performance of Wells score in predicting DVT in patients with cut off scores of 1
| Parameter | Value | 95 % CI |
|---|---|---|
| Sensitivity | 100 % | 100–100 % |
| Specificity | 36 % | 30–41 % |
| PPV | 9 % | 5–13 % |
| NPV | 100 % | 100–100 % |
DVT deep vein thrombosis, CI confidence interval, PPV positive predictive value, NPV negative predictive value
