Table 1.
Variables | Live birth | Not live birth | P-value |
---|---|---|---|
(n = 880) | (n = 1645) | ||
Protocol | |||
Long protocol | 630(71.59 %) | 1047(63.65 %) | <0.0001a |
Short protocol | 218(24.77 %) | 544(33.07) | |
GnRH antagonist protocol | 32(3.64 %) | 54(3.28) | |
Insemination method | |||
IVF | 603(68.52 %) | 1076(65.41 %) | 0.345a |
ICSI | 238(27.04 %) | 489(29.73 %) | |
50%IVF-50%ICSI | 39(4.43 %) | 80(4.86 %) | |
Diagnosis of infertility | |||
Tubal factor | 507(57.61 %) | 889(54.04 %) | 0.160a |
Male factor | 175(19.89 %) | 349(21.22 %) | |
Endometriosis | 25(2.84 %) | 49(2.98 %) | |
Ovarian factor | 23(2.61 %) | 75(4.56 %) | |
Unexplained | 49(5.57 %) | 102(6.20 %) | |
Other reasons | 101(11.48 %) | 181(11.0 %) | |
Type of infertility | |||
Primary infertility | 445(50.57 %) | 796(48.42 %) | 0.303a |
Secondary infertility | 435(49.43 %) | 848(51.58 %) | |
Age(year) | 30.61 ± 3.68 | 31.62 ± 4.17 | <0.0001b |
Antral follicle count | 10(1–45) | 9(1–40) | <0.0001c |
Body mass index(kg/m2) | 20.98 ± 2.90 | 21.16 ± 2.81 | 0.142b |
Basal serum FSH level (mIU/ml) | 6.40 ± 1.96 | 6.46 ± 2.71 | 0.531b |
Basal serum E2 level (pg/ml) | 36.82 ± 27.57 | 37.48 ± 20.53 | 0.496b |
Duration of infertility (year) | 4(0.1–17) | 4.5(0.4–20) | <0.0001c |
Mean ovarian volume(cm3) | 5.55 ± 2.53 | 5.48 ± 2.92 | 0.533b |
Total ovarian volume(cm3) | 11.10 ± 5.06 | 10.95 ± 5.84 | 0.533b |
E2 on hCG injection day(pg/ml) | 3045.20 ± 1709.81 | 3138.55 ± 1912.16 | 0.226b |
Progesterone on hCG injection day(ng/ml) | 1.10 ± 0.63 | 1.28 ± 0.75 | <0.0001b |
LH on hCG injection day(mIU/ml) | 1(0.2–19) | 1.1(0.2–13.10) | 0.500c |
E2 on the day after hCG injection (pg/ml) | 3752.90 ± 2059.67 | 4103.82 ± 2416.70 | 0.001b |
Number of follicles[10,14 mm) | 3(0–17) | 3(0–27) | 0.367c |
Number of follicles[14,18 mm) | 7(0–22) | 6(0–21) | 0.285c |
Number of follicles ≥18 mm | 3(0–11) | 2(0–13) | 0.077c |
Number of follicles <10 mm | 6(0–30) | 5(0–25) | 0.001c |
Number of follicles≥14 mm | 9(1–27) | 9(1–29) | 0.106c |
Endometrial thickness(mm) | 11.13 ± 5.15 | 10.37 ± 2.09 | <0.0001b |
Number of oocytes retrieved | 14.74 ± 6.50 | 14.25 ± 6.85 | 0.082b |
Number of oocytes fertilized | 11.99 ± 5.93 | 11.23 ± 5.98 | 0.088b |
Fertilization rate | 0.74 ± 0.20 | 0.69 ± 0.22 | <0.0001b |
Number of embryos transferred | 2.30 ± 0.48 | 2.31 ± 0.55 | 0.201b |
Number of good-quality embryos transferred | 1.84 ± 0.67 | 1.60 ± 0.86 | <0.0001b |
Total number of embryos | 10.35 ± 5.39 | 9.37 ± 5.56 | <0.0001b |
Total number of good-quality embryos | 5.14 ± 3.51 | 4.26 ± 3.72 | <0.0001b |
aPearson Chi-square
bTwo sample T test
cTwo sample Wilcoxon test