BMC Medical Imaging

Table 2 Diagnostic accuracies of DWI and ASL findings for 8-week infarction in patients and lesions

From: Significance of arterial spin labeling perfusion and susceptibility weighted imaging changes in patients with transient ischemic attack: a prospective cohort study

Patients	sensitivity	specificity	PPV	NPV	accuracy
DWI+	0.98	0.91	0.85	0.99	0.93
ASL+	0.58	0.68	0.49	0.75	0.65
DWI+, ASL+	0.98	0.62	0.57	0.98	0.74
DWI+, ASL-	0.40	0.93	0.76	0.75	0.75
DWI-, ASL+	0	0.71	0	0.57	0.47
Lesions
DWI+	0.98	0.71	0.65	0.99	0.80
ASL+	0.60	0.61	0.46	0.61	0.61
DWI+, ASL+	0.60	0.83	0.66	0.79	0.75
DWI+, ASL-	0.38	0.88	0.63	0.72	0.72
DWI-, ASL+	0	0.78	0	0.59	0.51

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ISSN: 1471-2342

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