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. 2022 Jan 24;12:788706. doi: 10.3389/fendo.2021.788706

Table 3.

Univariate analysis of factor associated with clinical outcomes.

Item Clinical pregnancy Live birth Miscarriage
OR,95%CI P OR,95%CI P OR,95%CI P
Female age 0.94 (0.93, 0.94) <0.0001 0.93 (0.92, 0.93) <0.0001 1.10 (1.09, 1.11) <0.0001
BMI 1.01 (1.00, 1.02) 0.0006 1.00 (0.99, 1.01) 0.9242 1.04 (1.03, 1.05) <0.0001
Duration of infertility(year) 0.97 (0.96, 0.97) <0.0001 0.97 (0.96, 0.97) <0.0001 1.05 (1.04, 1.06) <0.0001
Infertility type
Primary Infertility Ref. Ref. Ref.
Secondary Infertility 0.86 (0.83, 0.90) <0.0001 0.87 (0.83, 0.90) <0.0001 1.35 (1.25, 1.46) <0.0001
Basal AMH(ng/ml) 1.05 (1.04, 1.07) <0.0001 1.08 (1.07, 1.10) <0.0001 0.96 (0.94, 0.98) 0.0008
AFC 1.03 (1.03, 1.04) <0.0001 1.03 (1.03, 1.03) <0.0001 0.98 (0.97, 0.99) <0.0001
COS protocols
GnRH agonist protocol Ref. Ref. Ref.
GnRH antagonist protocol 0.58 (0.55, 0.61) <0.0001 0.49 (0.47, 0.52) <0.0001 1.15 (1.04, 1.27) 0.0084
Gn dosage(IU) 1.00 (1.00, 1.00) <0.0001 1.00 (1.00, 1.00) <0.0001 1.00 (1.00, 1.00) <0.0001
Gn duration(day) 1.03 (1.02, 1.04) <0.0001 1.03 (1.02, 1.03) <0.0001 1.01 (0.99, 1.03) 0.1999
E2 level on trigger day(pg/ml) 1.00 (1.00, 1.00) <0.0001 1.00 (1.00, 1.00) <0.0001 1.00 (1.00, 1.00) 0.0268
LH level on hCG trigger day(mIU/ml) 0.96 (0.95, 0.98) <0.0001 0.96 (0.95, 0.97) <0.0001 1.01 (0.99, 1.03) 0.4798
P level on hCG trigger day(ng/ml) 0.96 (0.95, 0.98) <0.0001 1.04 (1.02, 1.06) <0.0001 0.99 (0.96, 1.03) 0.5807
EMT on hCG trigger day (mm) 1.07 (1.06, 1.08) <0.0001 1.06 (1.06, 1.07) <0.0001 0.95 (0.94, 0.97) <0.0001
No. of retrieved oocytes 1.04 (1.03, 1.04) <0.0001 1.02 (1.02, 1.03) <0.0001 0.97 (0.97, 0.98) <0.0001
No. of embryos transferred 1.46 (1.41, 1.52) <0.0001 1.93(1.85, 2.01) <0.0001 0.89 (0.83, 0.97) 0.0044
Embryo type
Embryos in cleavage stage Ref. Ref. Ref.
Blastocyst 1.37 (1.30, 1.44) <0.0001 1.20 (1.15, 1.26) <0.0001 1.04 (0.94, 1.14) 0.3491
others 0.06 (0.03, 0.11) <0.0001 0.06 (0.03, 0.13) <0.0001 0.00 (0.00, inf.) 0.9061
Embryo quality
good Ref. Ref. Ref.
Not good 0.58 (0.56, 0.61) <0.0001 0.56 (0.54, 0.59) <0.0001 1.11 (1.01, 1.21) 0.0234
others 0.37 (0.15, 0.94) 0.0374 0.30 (0.10, 0.89) 0.0306 0.00 (0.00, inf.) 0.9311

BMI, body mass index; AMH, anti-Mullerian hormone; AFC, antral follicle counting; controlled COS, ovarian stimulation; GnRH, gonadotropin-releasing hormone; Gn, gonadotropin; E2, estradiol; LH, luteinizing hormone; P, progesterone; EMT, endometrium thickness.