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Table 1 baseline characteristic in participants.if normal distribution mean if not median

From: The association between subclinical hypothyroidism and TPOAb positivity with infertility in a population-based study: Tehran thyroid study (TTS)

  Hx of Fertility Hx of Infertility * Pvalue
aFemale
Age (Y) 40(±7) 39(±7) * 0.021
TTP (mth) 2.00 (1.00–4.00) 15.00 (12.00–36.00) * 0.000
No of birth 2.00 (2.00–3.00) 2.00 (1.00–3.00) * 0.001
No of parity 2.00 (2.00–3.00) 2.00 (1.00–3.00) * 0.001
No of abortion 0.00 (0.00–1.00) 0.00 (0.00–1.00) 0.452
BMI (kg/m2) 28.26 (25.33–31.25) 28.44 (25.43–32.44) 0.241
SBP (mmHg) 109.34(±12.76) 109.45(±14.05) 0.601
DBP (mmHg) 73.53(±9.88) 73.87(±10.48) 0.617
FBS (mg/dl) 87.00 (81.00–93.00) 88.00 (82.00–94.00) 0.193
FT4(ng/dl) 1.18 (1.08–1.30) 1.18 (1.08–1.32) 0.724
TSH (mU/L) 1.83 (1.07–3.06) 2.04 (1.11–3.31) 0.165
TPOAb (IU/ml) 6.05 (3.30–13.96) 6.04 (3.17–11.15) 0.613
aMale
Age(Y) 54(±11) 59(±14) *0.003
BMI (kg/m2) 26.89 (24.49–34.21) 25.69 (23.88–37.33) 0.190
SBP (mmHg) 119.11(±17.45) 127.12(±24.16) * 0.000
DBP (mmHg) 78.21(±10.73) 80.48(±12.86) 0.155
FBS (mg/dl) 92.00 (86.00–141.00) 94.00 (88.00–205.00) * 0.011
TPOAb (IU/ml) 5.08 (3.20–125.68) 5.31 (3.93–125.68) 0.490
FT4(ng/dl) 1.30 (1.16–1.63) 1.26 (1.11–1.57) * 0.042
TSH (mU/L) 1.50 (0.87–6.17) 1.79 (0.89–7.21) 0.196
  1. aData are shown as mean ± SD and median, IQR. ‡IQR interquartile range, Y year, TTP Time to pregnancy was defined just for participants with Hx of pregnancy (the time between the decision to pregnancy and become pregnant), mth month, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, FBS fasting blood sugar, TSH thyrotropin, FT4 free thyroxine, TPO thyroid peroxidase antibody
  2. *P-value obtained from t-student or Mann-Whitney U tests for normal or non-normal continuous variables,significant level was considered as p-value < 0.05