Table 1.
Baseline patient characteristics and demographic data
| N | Group A | Group B | Group C | P |
|---|---|---|---|---|
| 110 | 110 | 110 | ||
| Duration of infertility (years) | 2.78 ± 1.99 | 2.82 ± 2.13 | 2.70 ± 1.75 | 0.89 |
| Age (years) | 30.83 ± 3.06 | 31.35 ± 3.63 | 32.26 ± 3.09 | < 0.01 |
| Basal FSH (IU/L) | 6.59 ± 2.06 | 6.75 ± 1.93 | 7.41 ± 2.06 | < 0.01 |
| Basal LH (IU/L) | 4.72 ± 2.05 | 4.44 ± 1.72 | 4.44 ± 1.78 | 0.44 |
| Basal E2 (pg/ml) | 46.04 ± 16.27 | 46.53 ± 14.24 | 43.89 ± 14.89 | 0.39 |
| Basal P (ng/ml) | 0.38 ± 0.20 | 0.38 ± 0.23 | 0.37 ± 0.23 | 0.92 |
| AFC | 18.97 ± 5.37 | 16.11 ± 3.88 | 12.23 ± 4.16 | < 0.01 |
| BMI (kg/m2) | 22.26 ± 2.79 | 22.56 ± 3.19 | 22.30 ± 3.35 | 0.74 |
| Diagnosis | 0.25 | |||
| Primary infertility | 74 (67.27%) | 82 (74.55%) | 71 (64.55%) | |
| Secondary infertility | 36 (32.73%) | 28 (25.45%) | 39 (35.45%) | |
| Indications | 0.69 | |||
| Tubal factor | 70 (63.64%) | 73 (66.36%) | 70 (63.64%) | |
| Endometriosis | 0 (0.00%) | 1 (0.91%) | 2 (1.82%) | |
| Unexplained infertility | 23 (20.91%) | 26 (23.64%) | 25 (22.73%) | |
| Male factor | 11 (10.00%) | 5 (4.55%) | 10 (9.09%) | |
| Others | 6 (5.45%) | 5 (4.55%) | 3 (2.73%) |
FSH follicle stimulating hormone, LH luteinizing hormone, E2 estradiol, AFC antral follicle count, BMI body mass index, Group A below the 33rd percentile, Group B between 33rd and 67th percentiles, Group C above the 67th percentile