Evaluation of external quality control assessment results of fluoride in brick tea in Qinghai Provincial endemic fluorosis laboratories from 2014 to 2020
10.3760/cma.j.cn231583-20210619-00210
- VernacularTitle:2014-2020年青海省地方性氟中毒实验室砖茶氟外质控考核结果评价
- Author:
Guanglan PU
1
;
Qiang ZHANG
;
Peizhen YANG
;
Qing LU
;
Ping CHEN
;
Xin ZHOU
;
Cuiling LA
;
Yanan LI
;
Ping YANG
;
Mingjun WANG
;
Lansheng HU
;
Xianya MENG
Author Information
1. 青海省地方病预防控制所地方病预防控制科，西宁 811602
- Keywords:
Brick tea;
Fluorine;
Laboratory;
Quality control
- From:
Chinese Journal of Endemiology
2022;41(9):766-769
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To analyze the external quality control assessment results of fluoride in brick tea in the provincial, city (prefecture) and county (city, district)-level endemic fluorosis laboratories in Qinghai Province, and to evaluate the testing capabilities of laboratories at all levels.Methods:The Z-score method was used to analyze and evaluate the results of provincial, city (prefecture) and county (city, district)-level laboratories that participated in the external quality control assessment of fluoride in brick tea in Qinghai Province from 2014 to 2020, and│Z│≤2 was qualified; 2 <│Z│ < 3 was basic qualified; │Z│≥3 was unqualified.Results:From the feedback, the feedback rate of external quality control of fluoride in brick tea in provincial and city (prefecture)-level laboratories in Qinghai Province from 2014 to 2020 was 100.00%; the feedback rate of county (city, district)-level laboratories from 2014 to 2018 was 100.00%, and there were no feedback units in 2019 and 2020. From the assessment of qualification, the qualification rate of provincial, city (prefecture)-level laboratories was 100.00% in all other years except one unit failed in 2017; the qualification rate of county (city, district)-level laboratories was 100.00% in 2014, 2015, 2016 and 2019, and there were 6 unqualified units in other years.Conclusions:From 2014 to 2020, some endemic fluorosis laboratories in Qinghai Province still fail to pass the external quality control assessment of fluoride in brick tea. In the future, it will be the focus of work to strengthen personnel training and improve the detection ability.
