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DSA2c MRI2 Observer 1 (n = 117) MRI2 Observer 2 (n = 117) Patent DO Patent DO Patent 33 6 38 2 Obliterated 30 48 35 42 Total 63 54 73 44 Note:—DO indicates definitive obliteration.
Observer 1 Observer 2 Sensitivity 0.62 0.55 Specificity 0.85 0.95 Positive predictive value 0.89 0.95 Negative predictive value 0.52 0.52 Prevalence 0.67 0.66 False-positive rate 0.15 0.05 False-negative rate 0.38 0.45 Note:—DO indicates definitive obliteration.