Research Article

Relation of Different Components of Climate with Human Pituitary-Thyroid Axis and FT3/FT4 Ratio: A Study on Euthyroid and SCH Subjects in Two Different Seasons

Table 2

Demographic characteristics of the study subjects.

CharacteristicsTotal


(%)
Euthyroid (Eu)


(%)
Subclinical hypothyroid (SCH)


(%)

Age34 ± 12.4634.24 ± 12.0536.44 ± 14.82

Gender
 Male39 (22)37 (24.3)2 (8)
 Female138 (78)115 (75.7)23 (92)

BMI26.91 ± 4.5826.78 ± 4.5727.69 ± 4.63
Waist circumference (cm)85.36 ± 12.0384.64 ± 11.2789.48 ± 15.40
TPO value (IU/ml)33.25 ± 85.7022.64 ± 53.5497.76 ± 175.45

TPO positivity
 Negative148 (84.1)133 (88.1)15 (60)
 Positive28 (15.9)18 (11.9)10 (40)

Season
 Summer176136 (77.3)40 (22.7)
 Winter176140 (79.5)36 (20.5)

This number is based on those who are subclinical hypothyroid at summer and winter seasons; the subjects who are euthyroid at either season were excluded.