Analysis on incidence of injury death in residents in Dali, Yunnan, 2015−2017

ObjectiveTo analyze the injury death level and injury causes in local residents in Dali prefecture of Yunnan province from 2015 to 2017.

MethodsWe collected the surveillance data about causes of injury death from 2015 to 2017 in Dali and code death causes of injury cases according to the international classification of diseases (ICD-10). The data about the cause of injury death were statistically analyzed by using Excel 2007 and SPSS 17.0, and the data standardization was based on national population census data in 2010. The indicators used in the analysis included crude mortality rate, standardized mortality rate and constituent ratio.

ResultsThe average crude mortality rate was 598.99/100 000 and the standardized mortality rate was 601.29/100 000 in Dali prefecture from 2015 to 2017. The injury mortality rate was 59.93/100 000, and the standardized injury mortality rate was 60.45/100 000. Injury death was the fifth leading cause of death, ranking after respiratory disease, cerebrovascular disease, heart disease and cancer. The first five leading injury death causes were traffic accident, accidental fall, suicide, accidental poisoning and drowning, and the related deaths accounted for 86.94% of the total injury deaths. Accidental asphyxia was the main cause of injury death in infants aged ＜1 year, accounting for 48.72%. Among children aged 1−14 years, the most common injury death cause was drowning, accounting for 41.38%, and among people aged 15−59 years, the major injury death cause was traffic accident; and accidental fall was the major cause of death in people aged ≥60 years.

ConclusionInjury was one of the main causes of death in Dali prefecture. It is necessary to conduct targeted injury prevention and to explore measures by which intervention of injury prevention can be improved to reduce the incidence of injury.