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Table 2 A comparison of clinical features and mean digit ratios (2D:4D) among women with four clinical phenotypes of PCOS and female controls.

From: Digit ratios by computer-assisted analysis confirm lack of anatomical evidence of prenatal androgen exposure in clinical phenotypes of polycystic ovary syndrome

  All PCOS
(n = 96)
Frank
(n = 63)
Non-PCO
(n = 4)
Ovulatory
(n = 19)
Mild
(n = 10)
Controls
(n = 48)
Age (y) 28.3 ± 4.5 27.8 ± 4.5a 31.4 ± 4.4a 29.3 ± 4.7a 28.5 ± 3.9a 26.9 ± 4.2a
BMI (kg/m2) 32.2 ± 8.4 33.5 ± 8.2a 40.1 ± 5.3a 31.4 ± 7.1a 22.2 ± 4.6b 24.1 ± 3.7b
Modified FG Score* 10.7 ± 6.6 11.9 ± 7.0a 12.0 ± 3.9a 10.7 ± 3.8a 2.3 ± 2.7b 3.7 ± 2.9b
Total Testosterone (nmol/l) 3.6 ± 1.8 3.8 ± 2.0a 2.9 ± 1.7a, b 2.7 ± 0.6a, b 3.3 ± 1.2a, b 2.8 ± 0.9b
Free Androgen Index (%) 12.4 ± 9.4 15.3 ± 10.1a 9.9 ± 3.7a, b 6.8 ± 3.1b 4.3 ± 1.8b 5.7 ± 2.9b
Total Follicle Count 41.1 ± 15.0 44.0 ± 15.1a 15.6 ± 3.1c 35.9 ± 10.4b 44.3 ± 12.1a, b 15.7 ± 5.5c
Ovarian Volume (ml) 9.7 ± 3.2 10.1 ± 3.4a 7.2 ± 3.0a, b 9.1 ± 2.9a 9.1 ± 2.1a 6.1 ± 2.3b
Menstrual Cycle Length (d) 109.0 ± 99.7 127.4 ± 98.3a 75.5 ± 12.5a 31.7 ± 4.7b 101.1 ± 117.2a 29.7 ± 3.0b
Left Hand 2D:4D 0.982 ± 0.030 0.982 ± 0.029a 0.981 ± 0.060a 0.982 ± 0.028a 0.983 ± 0.032a 0.974 ± 0.037a
Right Hand 2D:4D 0.981 ± 0.028 0.981 ± 0.029a 0.965 ± 0.028a 0.986 ± 0.027a 0.983 ± 0.027a 0.972 ± 0.028a
  1. Note: A column representing data for all women with PCOS has been added for ease of comparison. Within each row, assignment of the same letter represents no significant difference between groups; *The modified Ferriman-Gallwey (FG) scale was used to denote level of hirsutism.