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. 2021 Nov 2;8:744350. doi: 10.3389/fmed.2021.744350

Table 3.

Ovarian stimulation variables and ICSI results of HBV-positive and HBV-negative groups.

HBV group
(n = 77)
Control group
(n = 154)
P-value
Female age (years) 33.5 ± 5.0 33.5 ± 4.6 0.969a
Female BMI (kg/m2) 23.2 ± 3.0 22.6 ± 2.8 0.172a
Duration of subfertility (years) 5.9 ± 4.0 5.8 ± 3.7 0.794a
Primary infertility (n, %) 55/77 (71.4%) 96/154 (62.3%) 0.171b
Causes of subfertility (n, %)
   Male factor 56/77 (72.7%) 111/154 (72.0%) 0.917b
   Tubal blockage 22/77 (28.5%) 47/154 (30.5%) 0.760b
   Ovulation failure 14/77 (18.1%) 26/154 (16.8%) 0.805b
   Endometriosis 4/77 (0.05%) 6/154 (0.03%) 0.647b
   Unexplained 5/77 (0.06%) 10/154 (0.06%) 1.000b
Total dose of gonadotropin used (IU) 2,021.5 ± 802.5 2,054.0 ± 737.0 0.766a
Duration of gonadotropin stimulation (d) 10.2 ± 3.2 9.9 ± 2.5 0.121c
Serum E2 level on the day of hCG injection (pg/ml) 2,747.2 ± 1,278.0 2,539.6 ± 1,285.5 0.247a
Serum P level on the day of hCG injection (ng/ml) 0.7 ± 0.3 0.7 ± 0.5 0.331c
Endometrial thickness on the day of hCG injection (mm) 10.2 ± 1.7 9.9 ± 1.8 0.162a
2PN fertilization rate (%) 416/512 (81.2%) 814/1,020 (79.8%) 0.502b
High-grade embryo rate (%) 203/353 (57.5%) 398/675 (58.9%) 0.652b
Implantation rate (%) 48/143 (33.5%) 97/296 (32.7%) 0.867b
Clinical pregnancy rate (n, %) 38/77 (49.3%) 77/154 (50.0%) 0.925b
Abortion rate (n, %) 8/38 (21.0%) 13/77(16.8%) 0.586b

Values are presented as mean ± standard deviation.

P-values were obtained using aTwo-sided t-test, bChi-squared test, or cWilcoxon rank sum test.

HBV, Hepatitis B virus; BMI, body mass index; E2, estradiol; P, progesterone; hCG, human chorionic gonadotrophin; 2PN, two-pronuclear.