TABLE 1.
Patient characteristics in the SERC (+) and SER (–) cycle groups.
| Items | SERC (+) cycles | SERC (–) cycles | P-value |
| No. of cycles | 146 | 1,951 | |
| Age (years) | 35.3 ± 4.0 | 35.1 ± 4.9 | 0.570 |
| Duration of sterility (years) | 4.4 ± 3.0 | 4.8 ± 3.0 | 0.646 |
| Basal FSH (IU/L) | 7.9 ± 2.5 | 7.8 ± 2.4 | 0.621 |
| Basal LH (IU/L) | 4.2 ± 3.0 | 4.3 ± 2.4 | 0.562 |
| Total dose of FSH (IU/mL) | 2610 ± 510 | 2530 ± 810 | 0.421 |
| LH on day of HCG (U/L) | 2.2 ± 1.0 | 2.1 ± 0.8 | 0.461 |
| E2 on day of HCG (pg/mL) | 1049.9 ± 272.1 | 914.0 ± 286.6 | 0.118 |
| P on day of HCG (ng/mL) | 1.0 ± 0.4 | 1.1 ± 0.5 | 0.233 |
| % GnRH agonist | 72.6 (106/146) | 58.3 (1,138/1,951) | 0.001 |
SERC, smooth endoplasmic reticulum cluster; FSH, follicle-stimulating hormone; LH, luteinizing hormone; E2, oestrogen; HCG, chorionic gonadotrophin; GnRH, gonadotropin-releasing hormone.