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目的采取一系列碘盐监测质量控制措施,评价甘肃省碘盐监测质量。方法采取了对全省所有碘缺乏病实验室进行外部质控考核、对县级采集的盐样进行留样复核、由市级抽取所辖县居民户碘盐监测点并附有标注监测点的当地地图、对全省参与碘盐监测人员培训、对县级进行督导等一系列质量控制措施,并对其进行评价。结果全省实验室外质控考核得到了加强;实验室检测能力得到了提高,相对误差明显下降;碘盐监测覆盖更多的区域和重点区域;督导频次增加,更加规范、科学;通过培训全省监测方法更加统一、技术规范;甘肃省的碘盐覆盖率、合格碘盐食用率均>95%;合格碘盐食用率<90%的县由2008年的5.7%下降到2.3%。结论通过质量控制,甘肃省的碘盐监测质量和可信度得到了进一步提高。
Objective To adopt a series of iodized salt monitoring quality control measures to evaluate the quality of iodized salt monitoring in Gansu Province. Methods All the iodine deficiency disorders laboratory in our province were examined by external quality control, and samples of salt samples collected at the county level were checked. Samples of iodized salt monitoring sites from households under the jurisdiction of the county were taken from the municipal level and marked with monitoring points Local maps, the province’s participation in monitoring of iodized salt personnel training, county-level supervision and a series of quality control measures, and its evaluation. Results The quality control of laboratories outside the province was strengthened; the testing capability of laboratories was improved and the relative error was significantly reduced; the monitoring of iodized salt covered more areas and key areas; the frequency of supervision was increased to be more standardized and scientific; The provincial monitoring methods are more uniform and technical specifications. The iodized salt coverage rate and the qualified iodized salt consumption rate in Gansu Province are both> 95%. The county with the qualified iodine salt consumption rate <90% dropped from 5.7% in 2008 to 2.3%. Conclusion Through the quality control, the quality and reliability of iodized salt monitoring in Gansu Province have been further improved.