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Table 2: Diagnostic performance of the 2-layered susceptibility vessel sign for the prediction of a cardioembolic etiology of stroke
3T (n = 101) TL-SVS 1.5T (n = 159) TL-SVS 
Sensitivity 0.45 Sensitivity 0.39
Specificity 0.59 Specificity 0.75
PPV 0.33 PPV 0.59
NPV 0.71 NPV 0.57
Accuracy 0.54 Accuracy 0.58
3T (n = 101) TL-SVS		1.5T (n = 159) TL-SVS
Sensitivity	0.45	Sensitivity	0.39
Specificity	0.59	Specificity	0.75
PPV	0.33	PPV	0.59
NPV	0.71	NPV	0.57
Accuracy	0.54	Accuracy	0.58