Factors Affecting the Accuracy of Controlled Attenuation Parameter (CAP) in Assessing Hepatic Steatosis in Patients with Chronic Liver Disease

Kyu Sik Jung, Beom Kyung Kim, Seung Up Kim, Young Eun Chon, Kyung Hyun Cheon, Sung Bae Kim, Sang Hoon Lee, Sung Soo Ahn, Jun Yong Park, Do Young Kim, Sang Hoon Ahn, Young Nyun Park and Kwang-Hyub Han

PLOS ONE, 2014, vol. 9, issue 6, 1-8

Abstract: Background & Aims: Controlled attenuation parameter (CAP) can measure hepatic steatosis. However, factors affecting its accuracy have not been described yet. This study investigated predictors of discordance between liver biopsy (LB) and CAP. Methods: A total of 161 consecutive patients with chronic liver disease who underwent LB and CAP were enrolled prospectively. Histological steatosis was graded as S0 ( 66% of hepatocytes). Cutoff CAP values were calculated from our cohort (250, 301, and 325 dB/m for ≥S1, ≥S2, and S3). Discordance was defined as a discrepancy of at least two steatosis stages between LB and CAP. Results: The median age (102 males and 59 females) was 49 years. Repartition of histological steatosis was as follows; S0 26.1% (n = 42), S1 49.7% (n = 80), S2 20.5% (n = 33), and S3 3.7% (n = 6). In multivariate linear regression analysis, CAP value was independently associated with steatosis grade along with body mass index (BMI) and interquartile range/median of CAP value (IQR/MCAP) (all P

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0098689

DOI: 10.1371/journal.pone.0098689

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