Table 4.
Baseline Characteristics Before and After Propensity-Score Matching
| Variable | Before Matching | Before Matching | ||||
|---|---|---|---|---|---|---|
| Group A (n=207) | Group B (n=1457) | p value | Group A (n=203) | Group B (n=406) | p value | |
| Age (y) | 28.2±3.2 | 29.2±3.5 | <0.01 | 28.2±3.2 | 28.0±3.2 | 0.63 |
| BMI (kg/m2) | 23.1±3.4 | 24.1±3.5 | <0.01 | 23.0±3.3 | 24.1±3.6 | 0.31 |
| Infertility Duration (y) | 2.9±2.0 | 3.3±2.2 | <0.01 | 3.1±2.0 | 3.3±2.1 | 0.67 |
| AFC (n) | 23.0±3.6 | 22.7±3.9 | 0.12 | 23.4±3.3 | 23.1±4.0 | 0.90 |
| FSH levels (mIU/mL) | 6.87±1.62 | 7.01±1.75 | 0.39 | 6.77±1.63 | 6.87±1.70 | 0.44 |
| LH levels (mIU/mL) | 9.05±6.24 | 7.52±5.06 | <0.01 | 9.23±5.99 | 7.66±5.14 | 0.91 |
Abbreviations: BMI, Body mass index; AFC, Antral follicle count.