Table 3.
Clinical characteristics of PORs according to different ovarian hyperstimulation protocols and age
| <35 years | ≥35 years | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||||
| Long | Short | Super long | Modified super long | Mild | Long | Short | Super long | Modified super long | Mild | |
| No. of cycles | 180 | 10 | 29 | 19 | 25 | 183 | 27 | 21 | 27 | 71 |
| Age (year) | 30.9 ± 2.7 | 31.6 ± 2.0 | 30.5 ± 2.5 | 31.8 ± 1.8 | 31.9 ± 2.0 | 38.4 ± 2.8 | 38.9 ± 2.7 | 38.0 ± 1.9 | 38.3 ± 2.7 | 39.2 ± 3.2 |
| No. of previous cycles | 1.2 ± 0.4 | 1.8 ± 0.8* | 1.2 ± 0.5 | 1.5 ± 0.5 | 2.5 ± 1.3*,Δ,& | 1.2 ± 0.6 | 1.8 ± 0.9 | 1.6 ± 1.1 | 2.0 ± 1.0* | 2.9 ± 1.6*,#,Δ,& |
| BMI (kg/cm2) | 21.5 ± 2.4 | 21.6 ± 2.7 | 22.1 ± 3.6 | 20.6 ± 1.7 | 22.3 ± 2.6 | 22.9 ± 2.5 | 22.6 ± 2.2 | 22.9 ± 3.0 | 22.5 ± 3.3 | 22.8 ± 2.5 |
| AFC | 5.6 ± 2.6 | 4.4 ± 1.8 | 4.4 ± 2.3 | 5.0 ± 2.1 | 3.7 ± 2.5 | 4.6 ± 2.5 | 3.5 ± 1.7 | 3.9 ± 1.9 | 4.7 ± 2.4 | 2.5 ± 1.6* |
| Basic FSH (IU/L) | 9.9 ± 4.4 | 12.6 ± 7.4 | 8.8 ± 4.3 | 12.4 ± 6.7 | 11.7 ± 5.3 | 10.5 ± 4.7 | 13.6 ± 9.8 | 10.1 ± 6.3 | 8.7 ± 3.7 | 12.7 ± 5.6 |
| Basic LH (IU/L) | 5.4 ± 3.6 | 6.1 ± 3.2 | 5.5 ± 3.8 | 4.3 ± 2.1 | 5.7 ± 3.8 | 5.5 ± 2.8 | 7.9 ± 4.6 | 4.2 ± 3.7 | 4.8 ± 3.2 | 6.7 ± 4.2 |
| Basic E2 (ng/l) | 71.5 ± 101.5 | 67.8 ± 49.5 | 64.1 ± 68.4 | 62.3 ± 29.0 | 52.4 ± 33.1 | 68.7 ± 80.7 | 80.5 ± 92.5 | 69.1 ± 109.6 | 64.4 ± 56.0 | 70.7 ± 92.0 |
*
Compared with long protocol, P<0.05;
#
Compared with short protocol, P<0.05;
Δ
Compared with super long protocol, P<0.05;
&
Compared with modified super long protocol, P<0.05.