Epidemiological characteristics and changing trends of injury occurrence and death among the elderly in Tianjin
Objective To understand the epidemiological characteristics and changing trends of injury occurrence and death among the elderly(≥60 years old)in Tianjin,and provide the scientific basis for injury prevention and control among the elderly.Methods From"The Chinese Center for Disease Control and Prevention of Population Death Information Registration and Management System",the injury death data of Tianjin population from January 1,1999 to December 31,2019 were selected.From"Tianjin non-communicable disease incidence monitoring and management system",the data of injury occurrence of the first time of medical institutions at all levels in the city from January 1,2006 to December 31,2019 were selected.Composition ratio,incidence rate,mortality rate and standardized rate were calculated,the used software was SPSS 23.0.Joinpoint 4.3.1.was used to calculate the average annual percent change(AAPC).Results From 2006 to 2019,the average standardized incidence of injury among elderly(≥60 years old)was 1 510.50/105,from 894.70/105 in 2006 increased to 2 245.32/105 in 2019,with upward trend(AAPCincidence=6.94％,P＜0.05).The average standardized incidence in males was 1 541.70/105,the average standardized incidence in females was 1 480.51/1 05,the average standardized incidence in rural area was 1 676.92/105,the average standardized incidence in urban area was 1 386.48/105.From 1999 to 2019,the standardized mortality of injury among elderly(≥60 years old)was 58.15/105,which increased from 58.70/105 in 1999 to 82.59/105 in 2019,with upward trend(AAPCdeath=2.12％,P＜0.05).The standardized mortality of injury in males was 73.58/105,the standardized mortality of injury in females was 43.32/105,the standardized mortality of injury in rural area was 85.63/105,the standardized mortality of injury in urban area was 38.64/105.The top 5 causes of injury occurrence were falling,animal injury,road traffic injury,sharp instrument cutting injury and smash injury;the top 5 causes of injury death were road traffic injury,falling,suicide,poisoning and drowning,accounting for 86.82％and 84.23％of all injury occurrence and death in that age group,respectively.Among the top 10 causes of injury occurrence,except that the incidence of violent fighting and poisoning was not statistically significant(P＞0.05),all other trends increased(P＜0.05),the fastest increases were animal trauma(AAPC=13.93％),sharp cutting(AAPC=12.58％),smashing(AAPC=10.87％),blunt trauma(AAPC=9.79％)and compression(AAPC=9.35％).Among the top 10 causes of injury death,falls and drowning showed upward trend(AAPC values were 9.13％and 2.16％,respectively,P＜0.01),and suicide,poisoning and killing showed downward trend(AAPC values were-1.87％,-6.72％and-4.75％,respectively.P＜0.05).Among the top 5 injury occurrence causes,the proportion of falling in females was higher than that in males,but the proportions of other causes in males were higher than those in females;the proportions of falling and animal injury in urban area were higher than those in rural areas,the proportions of road traffic injury,sharp tool cutting injury and crushing injury in urban area were lower than those in rural areas.Among the top 5 causes of injury death,the proportions in males were higher than those in females;the proportion on falling in urban residents was higher than that in rural residents,but the proportions of other death causes in rural residents were higher than those in urban residents.Conclusion The injury incidence and mortality in elderly(≥60 years old)show upward trend in Tianjin,the incidence and mortality of injury in males are higher than those in females,the incidence and mortality of injury in rural area are higher than those in urban area.The elderly have become the key group of injury prevention in the aging society.
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