Table 2.
Baseline characteristics of all subjects
| Variable | Controls (n = 205) | Cases (n = 215) | p value |
|---|---|---|---|
| Age (year) | 31.06 ± 4.89 | 30.02 ± 4.92 | 0.163a |
| Weight (kg) | 59.19 ± 7.75 | 63.40 ± 11.31 | 0.023b |
| Height (cm) | 161.60 ± 4.45 | 161.66 ± 5.70 | 0.979b |
| BMI (kg/m2) | 22.77 ± 3.96 | 24.49 ± 4.26 | 0.007a |
| Waist (cm) | 80.50 ± 7.88 | 92.38 ± 9.46 | 0.058a |
| Hip (cm) | 96.75 ± 7.52 | 103.59 ± 6.92 | 0.076a |
| WHR | 0.83 ± 0.06 | 0.89 ± 0.07 | 0.009a |
| Menarche age (year) | 13.66 ± 1.26 | 13.04 ± 1.20 | 0.001b |
| mF-G score | 8.51 ± 0.09 | 8.79 ± 1.20 | 0.678b |
| FSH (mIU/ml) | 8.81 ± 5.96 | 8.79 ± 10.09 | 0.009b |
| LH (mIU/ml) | 5.44 ± 3.97 | 7.23 ± 4.36 | <0.001b |
| LH/FSH | 0.81 ± 0.76 | 1.04 ± 4.36 | <0.001b |
| E2 (pg/ml) | 56.99 ± 34.51 | 55.45 ± 24.82 | 0.385b |
| P (ng/ml) | 0.85 ± 2.62 | 2.39 ± 10.82 | 0.441b |
| T (ng/dl) | 37.52 ± 19.31 | 54.17 ± 27.70 | <0.001b |
| PRL (ng/ml) | 16.74 ± 9.72 | 14.84 ± 12.32 | 0.026b |
| Fasting insulin (mIU/ml) | 6.92 ± 3.57 | 10.97 ± 6.45 | 0.727b |
| Fasting glucose (mmol/l) | 5.13 ± 0.58 | 5.53 ± 0.94 | 0.015b |
| HOMA-IR | 1.45 ± 1.13 | 2.17 ± 1.65 | <0.001b |
| CHO (mmol/l) | 4.42 ± 0.64 | 4.17 ± 0.36 | 0.058a |
| TG (mmol/l) | 1.34 ± 0.16 | 1.88 ± 1.20 | 0.027b |
| HDL (mmol/l) | 1.43 ± 0.59 | 1.20 ± 0.23 | 0.022a |
| LDL (mmol/l) | 2.44 ± 0.44 | 2.25 ± 0.15 | 0.007a |
BMI body mass index, WHR waist/hip ratio, mF–G score modified Ferriman–Gallwey score, FSH follicle-stimulating hormone, LH luteinizing hormone, E2 estradiol, P progesterone, T testosterone, PRL prolactin, HOMA-IR homoeostasis model assessment, CHO cholesterol, TG triglycerides, HDL high-density lipoprotein, LDL low-density lipoprotein
aStudent’s t-test
bMann–Whtitney U test