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Table 4: Predictive value of MRI₂ for definitive obliteration in comparison with DSA_2C
Observer 1 Observer 2
Sensitivity 0.52 0.52
Specificity 0.89 0.95
PPV 0.85 0.95
NPV 0.62 0.55
Prevalence 0.54 0.62
False-positive rate 0.10 0.04
False-negative rate 0.48 0.48
	Observer 1	Observer 2
Sensitivity	0.52	0.52
Specificity	0.89	0.95
PPV	0.85	0.95
NPV	0.62	0.55
Prevalence	0.54	0.62
False-positive rate	0.10	0.04
False-negative rate	0.48	0.48