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A, Serum TSH concentrations of participants according to their LT4 timing regimen (fasting, with breakfast, or at bedtime) for subjects who completed the study. Patients are displayed in the order and the same color in each of the three levothyroxine timings (each patient is not a unique color). B, Scatter plot showing TSH values during each LT4 timing regimen for subjects who completed the study.
