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Sensitivity, specificity, positive predictive value, and negative predictive value of D-dimer compared with the results of US
| US | |||
|---|---|---|---|
| D-dimer | DVT (−) | DVT (+) | Total |
| High | 26 | 12 | 38 |
| Normal | 4 | 0 | 4 |
| Total | 30 | 12 | 42 |
Sensitivity: 100%, Specificity: 13.3%, Positive predictive value: 31.6%, Negative predictive value: 100%. US: ultrasonography; DVT: deep vein thrombosis
