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Table 2 Median and (IQR 25–75 %) for AMH (ng/ml) variable by age categories in PCOS and normo-ovulatory

From: Age-specific cut-off levels of anti-Müllerian hormone can be used as diagnostic markers for polycystic ovary syndrome

Age categorya Normo-ovulatory
(n = 500)
PCOS
(n = 303)
p-value
20 to < 27  N = 30  N = 134 < 0.001
3.6 (2.60–4.85) 7.4 (4.70–10.12)
27 to < 35  N = 284  N = 151 < 0.001
2.03 (1.23–3.02) 5.16 (2.97–8.00)
35 to 40  N = 186  N = 18 < 0.001
0.97 (0.48–1.68) 4.72 (1.89–7.60)
  1. aAge categories were determined using the generalized additive models (GAMs)