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Table 1: Diagnostic performance of the high overestimation ratio for the prediction of a cardioembolic etiology of stroke
3T (n = 101) overR >2.25 1.5T (n = 159) overR >1.33 
Sensitivity 0.10 Sensitivity 0.86
Specificity 0.94 Specificity 0.37
PPV 0.43 PPV 0.56
NPV 0.70 NPV 0.74
Accuracy 0.68 Accuracy 0.60
3T (n = 101) overR >2.25		1.5T (n = 159) overR >1.33
Sensitivity	0.10	Sensitivity	0.86
Specificity	0.94	Specificity	0.37
PPV	0.43	PPV	0.56
NPV	0.70	NPV	0.74
Accuracy	0.68	Accuracy	0.60