Estimated change in prevalence of abnormal thyroid-stimulating hormone levels in China according to the application of the kit-recommended or NACB standard reference interval.

EClinicalMedicine · 2021 · PMC7848757 · PMID 33554090

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a significant trendno p-value reported

Among the categories of individuals with subnormal TSH levels ( Table 3 ), a significant trend of absolute difference was seen in age and smoking groups.

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