Analysis on urinary and salt iodine external quality control network results for iodine deficiency disorder laboratories in Shaanxi Province in 2017 / 中华地方病学杂志

ABSTRACT

Objective To analyze the status of urinary and salt iodine external quality of iodine deficiency disorders (IDD) laboratories in Shaanxi Province,and to evaluate the detection ability and quality level of IDD laboratories in Shaanxi Province at all levels.Methods In 2017,external quality control assessment of laboratories for IDD at the provincial,municipal,and county levels was conducted in Shaanxi Province.There were 1 provincial,10 municipal,and 57 county-level laboratories participated in urinary iodine assessment,and 1 provincial,10 municipal,and 36 county-level laboratories for salt iodine assessment.The testing results of urinary iodine were analyzed with Z score method (qualified｜Z｜ ≤2;basically qualified2 ＜ ｜Z｜ ＜ 3;unqualified｜Z｜ ≥3),salt iodine was analyzed with reference value ± uncertainty (the test results were qualified within this range;less than or exceeded was unqualified).Results One provincial,10 municipal,and 57 county-level laboratories for urinary iodine,and 1 provincial,10 municipal,and 36 county-level laboratories for salt iodine were all passed the external quality control assessment.Both the feedback rate and qualified rate of the testing results were 100.0％.Conclusion The detection ability and quality level of urinary and salt iodine in IDD laboratories in Shaanxi Province are stable and reliable,it can provide a reliable laboratory quality assurance for surveillance and control of IDD.