Epidemiology of immune thrombocytopenia in Gansu Province,2019-2022
Objective To describe the incidence and epidemiological characteristics of immune thrombocytopenia(ITP)in Gansu Province from 2019 to 2022,and provide evidence for the diagnosis and treatment of ITP,related etiological research,and the association between ITP and vaccination.Methods Descriptive epidemiological method was used to describe the characteristics of new confirmed ITP cases during 2019-2022 by using the data collected from the electronic medical record database of Gansu.Results A total of 4 159 cases of ITP were newly diagnosed in Gansu from 2019 to 2022;with an overall incidence of 4.11/100 000(95％CI:3.98/100 000-4.23/100 000),the incidence was 3.49/100 000 in men(95％CI:3.33/100 000-3.65/100 000),and 4.74/100 000 in women(95％CI:4.56/100 000-4.94/100 000),the difference was significant(P＜0.001).The incidence in children and the elderly was high,and the risk for ITP was higher in boys aged＜10 years and men aged ≥80 years than in girls,and the risk was higher in adult women(20-69 years)than in adult men.The incidence peak of ITP occurred in summer(June,July and August),and the incidence trough was in February or October in Gansu,and the annual incidence level in each age group showed cyclical changes.The risk for ITP was high in eastern and western areas,and low in central area.Conclusions The incidence of ITP were high in children and the elderly in Gansu in 2019-2022,and men were at higher risk for ITP compared with women,and higher risk for ITP was observed in women in total population.There were also seasonal and regional specific high incidence.
Immune thrombocytopeniaIncidence rateEpidemiological characteristicsElectronic medical record database
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NSTL
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