Table 1.
Basic data of study subjects among the three groups.
| Characteristics | LE group (n=90) | CC group (n=90) | Natural cycle group (n=90) | P valuea |
|---|---|---|---|---|
| Age (years)b | 28.5 ± 7.6 | 28.3 ± 7.5 | 29.1 ± 6.1 | 0.315 |
| Weight (kg)b | 63.2 ± 8.7 | 61.8 ± 9.6 | 61.5 ± 10.4 | 0.242 |
| BMI (kg/m2)b | 24.9 ± 8.4 | 25.3 ± 7.9 | 24.7 ± 6.6 | 0.346 |
| Waist circumference (cm)b | 83.9 ± 10.9 | 81.6 ± 11.3 | 82.3 ± 11.4 | 0.138 |
| Hip circumference (cm)b | 95.1 ± 10.1 | 94.3 ± 9.9 | 96.4 ± 10.2 | 0.615 |
| Waist-to-hip ratiob | 0.9 ± 0.4 | 0.9 ± 0.2 | 0.8 ± 0.3 | 0.527 |
| Basal concentrationb | ||||
| FSH (mIU/mL) | 7.3 ± 1.6 | 6.8 ± 1.2 | 7.2 ± 1.9 | 0.679 |
| LH (mIU/mL) | 10.2 ± 2.1 | 10.9 ± 1.9 | 11.3 ± 2.3 | 0.051 |
| PRL (ng/mL) | 14.2 ± 4.0 | 14.9 ± 4.9 | 13.6 ± 5.8 | 0.056 |
| P (nmol/L) | 1.6 ± 0.8 | 2.0 ± 0.7 | 1.9 ± 0.9 | 0.598 |
| E2 (pmol/L) | 59.1 ± 10.2 | 65.3 ± 12.8 | 61.9 ± 12.5 | 0.779 |
| T (nmol/L) | 1.5 ± 0.7 | 1.4 ± 0.6 | 1.3 ± 0.8 | 0.094 |
| AMH (ng/mL)b | 2.5 ± 0.6 | 2.7 ± 0.8 | 2.8 ± 0.9 | 0.213 |
| Infertility duration (years)b | 2.4 ± 0.7 | 2.3 ± 0.6 | 2.0 ± 0.5 | 0.125 |
| Family historyc | ||||
| Diabetes mellitus [n (%)] | 7 (7.8) | 4 (4.4) | 6 (6.7) | 0.644 |
| Hypertension [n (%)] | 9 (10.0) | 8 (8.9) | 10 (11.1) | 0.884 |
aVariance analysis, chi-square test or Fisher’s exact test among the three groups. bData given as mean ± SD. cData given as number (%). FSH, follicle stimulating hormone; LH, luteinizing hormone; PRL, prolactin; P, progesterone; E2, estradiol; T, testosterone.