Table 1 Baseline characteristics of patients undergoing the GnRHa-HRT protocol with or without luteal GnRHa administration
Parameters | Luteal GnRHa group (n = 179) | Control group (n = 171) | p value |
|---|---|---|---|
Age (years) | 37.0 ± 4.2 | 37.1 ± 4.5 | 0.871 |
Body mass index (kg/m2) | 23.0 ± 2.8 | 23.3 ± 2.9 | 0.465 |
Infertility duration (years) | 4.4 ± 2.9 | 4.7 ± 2.9 | 0.332 |
Previous IVF attempts (%) | 0.710 | ||
0-1 | 36.9%(66/179) | 32.7%(56/171) | |
2 | 22.9%(41/179) | 25.1%(43/171) | |
≧3 | 40.2%(72/179) | 42.1%(72/171) | |
Types of infertility (%) | 0.541 | ||
Primary infertility | 44.7%(80/179) | 48.0%(82/171) | |
Secondary infertility | 55.3%(99/179) | 52.0%(89/171) | |
Causes of infertility (%) | 0.708 | ||
Tubal factor | 8.4%(15/179) | 5.8%(10/171) | |
Male factor | 9.5%(17/179) | 7.6%(13/171) | |
POR | 10.6%(19/179) | 9.9%(17/171) | |
PCOS | 17.3%(31/179) | 16.4%(28/171) | |
Endometriosis | 15.1%(27/179) | 11.7%(20/171) | |
Unexplained | 12.8%(23/179) | 15.8%(27/171) | |
Multiple | 26.3%(47/179) | 32.7%(56/171) | |
Basal FSH (IU/l) | 4.7 ± 2.1 | 5.1 ± 4.2 | 0.249 |
Anti-Müllerian hormone(ng/mL) | 3.39 ± 3.18 | 4.21 ± 3.90 | 0.036 |