Epidemiological characteristics of viral hepatitis C in Wuwei city from 2011 to 2022
Objective To understand the epidemic characteristics of viral hepatitis C in Wuwei city from 2011 to 2022,and provide reference for the effective prevention and control of hepatitis C.Methods The information of the cases with hepatitis C in Wuwei city from 2011 to 2022 were collected from China Disease Prevention and Control Information System,and analyzed with descriptive epidemiological method.Results From 2011 to 2022,there were 22 595 cases with hepatitis C reported in Wuwei city,and 1 case died.The annual average reported incidence rate was 107.48/100 000,and there was statistical difference among the incidence rates in different years(x2=911.184,P＜0.05).The number of cases was the highest of 6 345 cases in the first quarter,and was the lowest of 5 226 cases in the third quarter,with statistical difference in the proportions of quarters(x2=239.492,P＜0.05).Most cases was in Liangzhou district,with 18 444 cases,accounting for 81.63％,and the average annual incidence was 156.77/100 000.Then followed by Gulang county,with 2 155 cases,accounting for 9.54％.The number of cases was the least in Tianzhu Tibetan autonomous county,with 963 cases,accounting for 4.26％.The difference was statistically significant in the reported incidence rates(x2=478.746,P＜0.05)in different counties(districts).The incidence of the female cases(115.51/100 000)was higher than that of the male cases(99.85/100 000),with statistical difference(x2=143.121,P＜0.05).The cases concentrated in the age from 40 to 69 years,and the difference was statistically significant in the proportions of different age groups(x2=1 560.284,P＜0.05).Most cases were farmers,with 16 161 cases and accounted for 71.52％.The cases of household and unemployed were 1 808 and accounted for 8.00％,and the cases of emeritus and retired were 1 496 and accounted for 6.62％.Conclusions The reported incidence rates of hepatitis C shows decreasing trend with the years in Wuwei city from 2011 to 2022.The preventive interventions should be strengthened in the high-risk groups to reduce the transmission and disease burden of hepatitis C.
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