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Table 2 Incidence of thyroid dysfunction based on sex and age subgroups in Isfahani adult people (n = 618) in 2011 who were euthyroid in 2006

From: Incidence of thyroid dysfunction in an Iranian adult population: the predictor role of thyroid autoantibodies: results from a prospective population-based cohort study

Thyroid function status Sex (n, %) incidence Age (years) (n, %) incidence Total n = 618 incidence
Men Women 20–40 40–60 ≥60
Overt hypothyroidism (n = 4, 40%) 2.1 (n = 6, 60%) 3.3 (n = 4, 40%) 3.8 (n = 3, 30%) 1.5 (n = 3, 30%) 4.6 (n = 10, 1.6%) 2.7
Subclinical hypothyroidism (n = 27, 37.5%) 15 (n = 45, 62.5%) 26.6 (n = 14,19.4%) 13.7 (n = 42, 58.3%) 22.8 (n = 16, 22.2%) 26.1 (n = 72, 11.7%) 20.6
Overt hyperthyroidism (n = 0, 0%) (n = 7, 100%) 3.8 (n = 2, 28.6%) 1.9 (n = 3, 42.9%) 1.5 (n = 2, 28.6%) 3 (n = 7, 1.1%) 1.9
Subclinical hyperthyroidism (n = 2, 20%) 1 (n = 8, 80%) 4.4 (n = 4, 40%) 3.8 (n = 5, 50%) 2.5 (n = 1, 10%) 1.5 (n = 10, 1.6%) 2.7