Risk factors for fibrosis progression in non-alcoholic steatohepatitis: Analysis of the European cohort in the real-world GAIN study

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OBJECTIVE: To better understand drivers of disease progression in non-alcoholic steatohepatitis (NASH), we assessed clinical and sociodemographic markers of fibrosis progression in adults with NASH. PATIENTS AND METHODS: Physician-reported patient demographics and clinical characteristics were utilised from the real-world Global Assessment of the Impact of NASH (GAIN) study. Factors associated with likelihood of fibrosis progression since NASH diagnosis were identified using a logistic regression model. RESULTS: Overall, 2349 patients in Europe from the GAIN study were included; mean age was 54.6 years and 41% were women. Significant covariates included age, years since diagnosis, employment status, fibrosis stage at diagnosis, type 2 diabetes mellitus, hypertension, liver transplant and liver biopsy at diagnosis. Risk of progression was 1.16 (95% confidence interval 1.12-1.20; p<0.001) times higher for each additional year since NASH diagnosis and 5.43 (2.68-11.37; p<0.001) times higher when physicians proposed a liver transplant at diagnosis. Compared with full-time employed patients, risk of progression was 1.77 (1.19-2.60; p=0.004) times higher for unemployed patients and 3.16 (1.30-7.63; p=0.010) times higher for those unable to work due to NASH. CONCLUSIONS: Disease duration, NASH severity and presence of other metabolic comorbidities could help to assess risk of progression in patients with NASH.

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