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Table 3 Annual changes in various parameters according to age-specific Anti-Mullerian hormone (AMH) quartiles using generalized estimating equation (GEE)

From: Overtime trend of thyroid hormones and thyroid autoimmunity and ovarian reserve: a longitudinal population study with a 12-year follow up

Variables

1st quartile

n = 203

2nd quartile

n = 181

3rd quartile

n = 201

4th quartile

n = 190

FT4 (pmol/L)

−0.28 ± 0.07ª

−0.18 ± 0.07ª

−0.25 ± 0.07ª

−0.25 ± 0.07ª

TSH (mu/L)

0.58 ± 0.30

0.23 ± 0.32

0.05 ± 0.30

0.08 ± 0.31

TPO Ab (IU/ml)

10.66 ± 3.60ª

5.37 ± 3.94

6.49 ± 3.66

1.78 ± 3.68

TPO Ab+b

1.08ª (1.0006,1.16)

1.06(0.98,1.15)

0.95(0.87,1.04)

1.05(0.97,1.14)

  1. ªP < 0.05 interaction form (follow-up year ×age-specific AMH quartile) (GEE); FT4, free thyroxin level; TSH, Thyroid stimulating hormone; TPO Ab, Thyroid peroxides anti body; TPO Ab+, Thyroid peroxidase antibody positivity, Data were adjusted for BMI, parity, smoking status, educational level
  2. bValues are expressed as odds ratio and confidence interval