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目的阐述2004—2005年广东省第3次死因回顾调查样本代表性与数据质量,为资料利用提供依据。方法通过多阶段分层整群抽样方法,对广东省13个县(市、区)2004—2005年全部死亡人群进行回顾调查,依据人口学特征、拟合优度检验、玛叶指数等对2004—2005年广东省第3次死因回顾调查样本(其中12个调查点数据)的代表性进行评价,从死因诊断依据、死亡率、死因编码质量等方面评价数据质量。结果本次调查覆盖全省12个市、县(区)共758.547 2万人口,无论是年龄构成还是性别比、地域和社会经济等指标统计学检验,还是年龄构成的拟合优度检验,调查样本与2000年广东省人口普查户籍人口相比,差异均无统计学意义(均P>0.05);选取调查样本10～69岁和20～79岁2个年龄组样本,计算玛叶指数为3.59,说明调查样本人口数据无年龄偏好。本次调查地区共收集2004—2005年12个调查点死亡个案99 919例,平均粗死亡率为658.6/10万,10个调查点粗死亡率符合质控要求,婴儿死亡率为6.7‰,全部死亡个案的死因最高诊断单位以县及以上医疗机构为主,达62.48%,死因最高诊断依据以临床+理化和临床诊断为主,合占85.93%;其中死于恶性肿瘤个案的诊断单位以县及以上医疗机构诊断比例最高,达89.33%,诊断依据以尸检、病理、手术和临床+理化等合计比例达83.76%。全部调查个案的编码总体准确率达96.07%,死因不明率为1.89%,死因不准确率为1.56%,死因错误率为0.48%。结论 2004—2005年广东省第3次死因回顾调查样本代表性良好,调查结果可代表全省情况,调查过程质控严格,数据完整性、可靠性和准确性指标均符合质控要求,数据质量良好。
Objective To describe the sample representative and data quality of the third retrospective investigation of the cause of death in Guangdong from 2004 to 2005 and provide the basis for the data utilization. Methods The multi-stage stratified cluster sampling method was used to investigate all the deaths from 2004 to 2005 in 13 counties (cities and districts) of Guangdong Province. According to demographic characteristics, goodness of fit test and Mayer index, - The representative of the third retrospective survey of causes of death in Guangdong Province in 2005 (including 12 survey points) was evaluated and the data quality was evaluated in terms of the cause of death diagnosis, the death rate and the quality of the cause of death coding. Results The survey covered a total of 758.547 million population in 12 cities and counties (districts) across the province, regardless of age composition or sex ratio, geographical and socio-economic indicators such as statistical tests, or the age composition of goodness of fit test, investigation There was no significant difference between the sample and the population of census of Guangdong Province in 2000 (all P> 0.05). Samples from 10 to 69 years old and 20 to 79 years old were selected to calculate Maye index of 3.59 , Indicating that there is no age preference for the survey sample population data. In the survey area, a total of 99 919 deaths were collected from 12 investigation points from 2004 to 2005, with an average crude death rate of 658.6 / 100 000. The crude mortality rate of 10 investigation points met the quality control requirements and the infant mortality rate was 6.7 ‰. All The highest death cause of death cases was diagnosed by medical institutions at county level and above, accounting for 62.48%. The highest diagnosis of death was based on clinical, physicochemical and clinical diagnosis, accounting for 85.93% of all deaths. Among them, the diagnosis unit of death from malignant tumor was county And the highest proportion of the above medical institutions diagnosis, up to 89.33%, based on the diagnosis by autopsy, pathology, surgery and clinical + physicochemical totaling 83.76%. The overall accuracy rate of all investigated cases was 96.07%, the rate of unexplained death was 1.89%, the cause of death inaccuracy was 1.56% and the cause of death was 0.48%. Conclusion The sample of retrospective investigation of the third cause of death in Guangdong Province from 2004 to 2005 was of good representativeness. The survey results can represent the situation in the whole province. The quality of the investigation process is strictly controlled. The data integrity, reliability and accuracy indicators are in line with the quality control requirements and data quality good.