Clinical characteristics of patients (PCOS and non-PCOS cohorts).
PCOS cohort (n = 508)
Non-PCOS cohort (n = 2828)
value
Age, years
31.03 ± 3.20
31.98 ± 3.57
<0.001
Infertility duration, years
3.86 ± 2.32
3.65 ± 2.35
0.056
BMI (kg/m2)
25.42 ± 3.65
23.40 ± 3.42
<0.001
Infertility
Primary infertility %
280 (55.12%)
1410 (49.86%)
0.029
Secondary infertility %
228 (44.88%)
1418 (50.14%)
bFSH (UI/L)
5.94 ± 1.41
6.84 ± 1.89
<0.001
bLH (UI/L)
8.91 ± 4.85
5.05 ± 2.01
<0.001
bE2 (pg/ml)
35.45 ± 12.01
34.43 ± 13.86
0.128
bP (ng/ml)
0.50 ± 0.30
0.52 ± 0.25
0.055
bT (ng/ml)
0.40 ± 0.19
0.25 ± 0.12
<0.001
PRL (ng/ml)
16.30 ± 6.55
17.35 ± 6.13
0.001
AMH (ng/ml)
10.08 ± 6.36
4.14 ± 2.67
<0.001
CA125 (U/ml)
16.98 ± 7.88
23.87 ± 9.59
<0.001
CHOL (mmol/L)
4.98 ± 0.94
4.74 ± 0.83
<0.001
LDL-C (mmol/L)
2.98 ± 0.81
2.81 ± 0.67
0.241
TG (mmol/L)
1.42 ± 0.95
1.05 ± 0.84
<0.001
bFSH, basal follicle-stimulating hormone; bLH, basal luteinizing hormone; bE2, basal estradiol; bP, basal progesterone; bT, basal total testosterone; PRL, prolactin. The limit of significance is a value <0.05, which was evaluated on the basis of the chi-square test.
