Table 3.

Diagnostic accuracy of venous thromboembolism risk assessment models for prediction of 30-day mortality.

	Padua prediction score ≥4	IMPROVE score ≥2	Caprini score ≥5
AUC (95%CI)	0.900 (0.881, 0.919)	0.917 (0.898, 0.936)	0.861 (0.840, 0.882)
Sensitivity (95%CI)	94.8% (90.9%, 97.4%)	94.4% (90.4%, 97.1%)	94.4% (90.4%, 97.1%)
Specificity (95%CI)	85.2% (82.6%, 87.6%)	89.0% (86.6%, 91.0%)	77.8% (74.8%, 80.6%)
Positive predictive value (95%CI)	62.5% (57.0%, 67.8%)	69.1% (63.4%, 74.3%)	52.6% (47.5%, 57.7%)
Negative predictive value (95%CI)	98.4% (97.2%, 99.2%)	98.4% (97.2%, 99.2%)	98.1% (96.8%, 99.0%)

Abbreviation: AUC, area under the ROC curve.