Fig. 2.
Hypertension (HTN) prevalence in euthyroid subjects and patients with different grades of subclinical hypothyroidism (SCH). Percentages in the left and right columns represent the prevalence of stage 1 hypertension (S1-HTN) and stage 2 hypertension (S2-HTN), respectively, and the percentages at the right side of the bar graph represent the overall prevalence of HTN. TSH, thyroid stimulating hormone. aP<0.05 compared with the euthyroid group; bP<0.01 compared with the euthyroid group.