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Table 1 Comparison of Baseline Characteristics

From: The association between endometrial thickness and pregnancy outcome in gonadotropin-stimulated intrauterine insemination cycles

Characteristics Clinical Pregnancy Conception
Positive (n = 180) Negative (n = 885) P-value Positive (n = 218) Negative (n = 847) P value
Age 36.1 (±3.8) 37.1 (±3.8) 0.002 36.3 (±3.8) 37.1 (±3.8) 0.007
BMI 0.70
Underweight (< 18.5)
Normal (18.5–24.9)
Overweight (25.0–29.9)
Obese (> 30)
4 (2.2%)
78 (43.3%)
38 (21.1%)
38 (21.1%)
13 (1.5%)
469 (53.0%)
185 (20.9%)
159 (18.0%)
0.69 6 (2.7%)
90 (41.3%)
52 (23.8%)
47(21.9%)
11 (1.3%)
457 (54.0%)
171 (20.2%)
150 (17.7%)
Infertility Diagnosis < 0.001
Male Factor
Ovulatory Dysfunction
Unexplained
Other
40 (22.2%)
50 (27.8%)
36 (20.0%)
62 (34.4%)
193 (21.8%)
161 (18.2%)
199 (22.5%)
371 (41.9%)
< 0.001 45 (20.6%)
62 (28.4%)
47 (21.6%)
73 (33.5%)
188 (22.2%)
149 (17.6%)
189 (22.3%)
354 (41.8%)
Anti-Mullerian Hormone (pmol/L) 14.8 (±17.6) 14.5 (±18.9) 0.87 16.0 (21.7) 14.2 (± 17.9) 0.31
Antral Follicle Count 14.5 (±9.7) 13.0 (±9.1) 0.08 14.3 (±9.74) 13.0 (±9.10) 0.10
Total Motile Sperm Count (millions) 18.7 (±11.9) 17.1 (±12.4) 0.099 19.2 (±13.2) 16.9 (±12.0) 0.02
Total FSH Dose 993.5 (±675) 1123.9 (±858) 0.059 1002.1 (± 653) 1127.7 (± 870) 0.050
Number of Dominant Follicles (≥ 15 mm) 2.5 (±1.3) 2.1 (±1.2) 0.002 2.44 (±1.29) 2.11 (±1.20) 0.001
Peak Estrogen Level (pmol/L) 2967 (±1507) 2706 (±1493) 0.035 2928 (±1458) 2701 (±1506) 0.05
Peak EST (mm) 9.54 (±1.78) 9.36 (±1.89) 0.235 9.55 (±1.83) 9.35 (±1.88) 0.159
  1. Differences in factors previously identified as significantly impacting pregnancy outcome between clinically pregnant and negative cycles. All continuous variables are expressed as mean ± SD