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目的应用批质量检验抽样法(lot quality assurance sampling,LQAS)估计浙江省基本公共卫生服务抽样考核所需样本量。方法采用LQAS计数一次抽样检验法(仅控制第I类错误)确定规范建档率等18项考核指标抽样方案,并与专家经验估计值进行比较分析。结果新生儿访视率、接种证查验率(合格率均≥95%)抽样方案为(57,0),健康档案合格率、早孕建册率、5次及以上产前检查率、产后访视率、儿童系统管理率、某种疫苗接种率(合格率均≥90%)抽样方案为(29,0),规范建档率、老年人健康体检表完整率、重性精神疾病患者稳定率(合格率均≥80%)抽样方案为(14,0)或(22,1),健康档案使用率(合格率≥70%)抽样方案为(9,0)或(14,1),高血压/糖尿病患者规范管理率、重性精神疾病患者治疗率(合格率均≥60%)抽样方案为(10,1)或(14,2),重性精神疾病患者规范管理率(合格率≥50%)抽样方案为(8,1)或(11,2),血压控制率(合格率≥40%)抽样方案为(11,3)或(13,4),血糖控制率(合格率≥35%)抽样方案为(10,3)或(11,4)。结论 LQAS确定的基本公共卫生服务考核抽样方案与专家经验估计值差异较大,推荐采用具有概率保证的LQAS抽样方案。
Objective To estimate the sample size of basic public health service sampling in Zhejiang Province by using lot quality assurance sampling (LQAS). Methods The sampling plan of 18 evaluation indexes such as the standard filing rate was determined by LQAS counting one-time sampling test (only controlling the class I error), and compared with the expert’s empirical estimation. Results The sampling rate of newborns’ visits and vaccination certificates (pass rate≥95%) was (57,0), the passing rate of health records, the rate of early pregnancy, the rate of prenatal examination of 5 times or more, postpartum visit (29,0), the standard rate of filing, the completeness rate of the elderly health examination form, the stability rate of patients with severe mental illness ( The sampling rate was (14,0) or (22,1), the sampling rate of health records (pass rate≥70%) was (9,0) or (14,1), hypertension / Standard management rate of diabetic patients, patients with severe mental illness treatment rate (pass rate ≥ 60%) sampling program (10,1) or (14,2), the standard management of patients with severe mental disorders (pass rate ≥ 50 %) Sampling plans were (8,1) or (11,2), blood pressure control rate (pass rate ≥ 40%) sampling plan was (11,3) or (13,4), blood glucose control rate %) The sampling plan is (10,3) or (11,4). Conclusion The LQAS-based sampling scheme for basic public health service assessment differs greatly from the empirical estimate of experts, and LQAS sampling scheme with probability guarantee is recommended.