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Results of ROC analysis of segmental pulmonary arterial assessment based on area detector CT (ADCT) and multidetector CT (MDCT) (filled square: ADCT; open square: MDCT). Az of ADCT (pulmonary artery: Az = 0.93) did not differ significantly from those of MDCT (pulmonary artery: Az = 0.92; P > 0.05)
