Epidemiological characteristics trends of other infectious diarrhea in Nanjing City from 2005 to 2022
Objective To analyze epidemiological characteristics trends of other infectious diarrhea(OID)in Nanjing from 2005 to 2022,and to provide scientific basis for monitoring and prevention strategy of OID.Methods The reported incidence of other infectious diarrheal diseases in Nanjing City from 2005 to 2022 was analyzed by using Excel 2013 and R 4.2.2 software to conduct the descriptive epidemiological analysis,at the same time,Joinpoint 4.9.1.0,Geoda 1.18.0 software were used to conduct JoinPoint regression,global autocorrelation and local autocorrelation analysis,respectively.Results A total of 31211 cases were reported in Nanjing City from 2005 to 2022,with an average annual incidence of 22.27/105.The incidence rate was higher in male than that in female(24.94/105 VS 19.74/105,x2=23.25,P＜0.001).Children under five years old accounted of 58.48％of total reported cases for a high proportion.From the time distribution,the current incidence peaks were changed from summer and autumn to autumn and winter.JoinPoint regression analysis showed that during 2005 to 2022,the incidence of OID in Nanjing City had an decreased and then increased with 2009 as the turning point,from 2005 to 2009,there was a rapid decline,APC was-25.32(95％CI:-43.45--1.38),there was an upward trend from 2009 to 2022,APC was 7.94(95％CI:2.91-13.21).Age below 5 years old had a increasing trend from 2005 to 2022,with the APC value of 7.34(95％CI:3.68-11.14).The other age group had a decreasing trend from 2005 to 2008(APC:-37.54,95％CI:-58.51--5.95),and tended to be stable from 2008 to 2022(P=0.24).Local indicators of spatial association revealed that Pukou district was high-high clusters area of OID in Nanjing.Conclusions The incidence of OID has a increasing trend in recent years,epidemic peaks are occurred in autumn and winter,and aged below 5 years old is the high-risk population.Related surveillance,publicity and education should be strengthen to prevent and control OID.
other infectious diarrheal diseaseJoinpoint regressionspatial autocorrelation
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