RT Journal Article T1 Late presentation of chronic HBV and HCV patients seeking first time specialist care in Spain: a 2-year registry review A1 Picchio, Camila A. A1 Lens, Sabela A1 Hernandez-Guerra, Manuel A1 Arenas, Juan A1 Andrade, Raúl J. A1 Crespo, Javier A1 García-Samaniego, Javier A1 Romero-Gómez, Manuel A1 Turnes, Juan A1 Calleja, José Luis A1 Simón, Miguel Ángel A1 White, Trenton M. A1 Riveiro-Barciela, Mar A1 Pocurull, Anna A1 Morales-Arraez, Dalia A1 Gómez, Alexandra A1 Buti, Maria A1 Lazarus, Jeffrey V. K1 Hepatitis C, chronic K1 Hepatitis B, chronic K1 Liver disease K1 Referral and consultation K1 Disease progression K1 Hepatitis C crónica K1 Hepatitis B crónica K1 Enfermedades hepáticas K1 Derivación y consulta K1 Progresión de la enfermedad AB Chronic viral hepatitis infection affects an estimated 325 million people globally. People who initiate treatment after significant disease progression face increased risk of severe liver complications and death. Data are scarce on the characteristics and risk factors of people who present late to care in Spain and globally. Data were collected from January 2018 to December 2019 to report late presentation (LP) to specialist care at 11 large university hospitals in Spain to assess related risk factors using a multivariable logistic regression model. 2290 (CHB = 505, CHC = 1785) patients were analysed, with 581 (25.2%) presenting late. Hepatitis C patients more frequently reported LP compared to hepatitis B patients (28.1% vs 15.0%; p < 0.001). Older age (p < 0.001), being male (p < 0.001), being Spanish-born (p < 0.001), and having an unknown origin of referral (p = 0.08) were associated with a higher likelihood of LP. Advanced liver disease was identified in 533 (23%) patients and late-stage liver disease in 124 (5.4%). LP, including with irreversible liver damage, to viral hepatitis specialist care is frequent in Spain, despite being a country with unrestricted treatment access. Initiatives to reduce LP should specifically target men, older individuals, foreign-born populations for CHB, and Spanish nationals for CHC. PB Springer Nature YR 2021 FD 2021-12-17 LK http://hdl.handle.net/10668/4573 UL http://hdl.handle.net/10668/4573 LA en NO Picchio CA, Lens S, Hernandez-Guerra M, Arenas J, Andrade RJ, Crespo J, et al. Late presentation of chronic HBV and HCV patients seeking first time specialist care in Spain: a 2-year registry review. Sci Rep. 2021 Dec 17;11(1):24133 DS RISalud RD Apr 8, 2025