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. 2019 Oct 30;322(20):1977–1986. doi: 10.1001/jama.2019.17274

Figure 2. Thyrotropin Levels of Participants in a Study of the Association Between Levothyroxine Treatment and Thyroid-Related Symptoms Among Adults Aged 80 Years and Older With Subclinical Hypothyroidism.

Figure 2.

Mean follow-up duration was 17 months. The boxes indicate the first and third quartiles and the median, the whiskers extend to the highest and lowest values within 1.5 × interquartile range, and the dots represent outliers.