Women with normal ovaries

(n = 248)

PCO morphology

without PCOS

(n = 159)

Women with PCOS

(n = 169)

p value for comparison between women with PCO morphology (n = 159) and control women (n = 248)

p value for comparison between women with PCOS (n = 169) and control women (n = 248)

Age (yrs)

35.7 (7.4)

30.6 (5.6)

30.2 (6.9)

<0.001

<0.001

BMI (kg/m²)

23.1 (5.0)

23.1 (5.6)

24.8 (6.9)

NS

<0.001

FSH (IU/l)-day 8

6.1 (2.8)

n = 228

6.0 (1.9)

n = 147

6.0 (2.1)

n = 153

NS

NS

LH(IU/l)-day 8

4.8 (3.4)

n = 224

5.3 (4.2)

n = 146

7.1 (7.6)

n = 153

0.044

<0.001

Testosterone (nmol/l)-day 8

1.8 (0.8)

n = 211

2.0 (0.8)

n = 141

2.7 (1.1)

n = 146

0.009

<0.001