Epidemiological characteristics of hepatitis B and hepatitis C in Hotan Prefecture from 2016 to 2022
BAI Junzhu1,2, Bilikezihan Aximu3, YOU Shumeng1,2, Aminai Aibi3, JIN Yajing3, XU Yuanyong1,2, WEN Liang2, ZHANG Wenyi1,2, Maimaitijiang Wubuliaishan3
1. School of Public Health, China Medical University, Shenyang, Liaoning 110122, China; 2. Chinese PLA Center for Disease Control and Prevention, Beijing 100071, China; 3. Xinjiang Hotan Infectious Disease Specialty Hospital, Hotan, Xinjiang 848000, China
Abstract：Objective To investigate the prevalence of hepatitis B and hepatitis C in Hotan Prefecture, Xinjiang Uygur Autonomous Region, so as to provide insights into prevention and intervention strategies for viral hepatitis for these populations. Methods Data on hepatitis B and hepatitis C cases in Hotan Prefecture from 2016 to 2022 were collected through the Chinese Disease Prevention and Control Information System. The temporal, demographic and regional distribution characteristics of hepatitis B and hepatitis C incidence were analyzed using the descriptively epidemiological method. The trends in the incidence of hepatitis B and hepatitis C from 2016 to 2022 were analyzed using average annual percent change (AAPC). Results A total of 8 910 hepatitis B cases and 4 106 hepatitis C cases were reported in Hotan Prefecture from 2016 to 2022, with average annual incidences of 55.60/105 and 25.61/105, respectively. The average annual incidence of hepatitis B in males was 66.78/105, which was higher than that in females (43.83/105, P<0.05). The average annual incidence of hepatitis C in males was 25.70/105, while in females it was 25.36/105, with no statistically significant difference (P>0.05). With increasing age, the incidence of hepatitis B showed an "M"-shaped trend, with the highest average annual incidence in the age group of 20-<30 years (97.20/105); the incidence of hepatitis C first increased and then decreased, with the highest average annual incidence in the age group of 70-<80 years (102.50/105). The majority of the cases were farmers/migrant workers, with 5 610 (62.96%) and 2 963 cases (72.16%), respectively. The top three counties with higher average annual incidences of hepatitis B were Minfeng County (84.78/105), Karakax County (81.69/105) and Lop County (72.20/105), and the top three counties with higher average annual incidences of hepatitis C were Pishan County (46.92/105), Karakax County (35.62/105) and Hotan County (26.31/105). The incidences of hepatitis B and hepatitis C in Hotan Prefecture showed downward trends from 2016 to 2022 (AAPC=-10.711% and -16.594%, both P<0.05), with consistent trends observed in Hotan City, Hotan County, Pishan County and Qira County (all P<0.05). Conclusions From 2016 to 2022, the incidences of hepatitis B and hepatitis C in Hotan Prefecture both showed downward trends. Young and middle-aged adults, males, and farmers/migrant workers were the high-risk populations for hepatitis B, while middle-aged and elderly adults and farmers/migrant workers were the high-risk populations for hepatitis C.
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