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Table 3 Crude and adjusted analysis of neonatal outcomes in endometrial thickness categories

From: Association between endometrial thickness and neonatal outcomes in intrauterine insemination cycles: a retrospective analysis of 1,016 live-born singletons

 

≤7.6 vs. 7.7–13.0 mm

≥13.1 vs. 7.7–13.0 mm

Crude

Adjusted a

Crude

Adjusted a

Newborn parameters, MD (95% CI)

 Gestational age (days)

1.0 (−1.2–3.2)

0.7 (−1.5–3.0)

1.2 (−1.0–3.4)

1.5 (−0.7–3.7)

 Birthweight (g)

15.6 (−85.3–116.5)

16.4 (−86.6–119.4)

19.0 (−81.9–119.9)

28.6 (−73.2–130.3)

 Z-score

−0.01 (− 0.22–0.21)

0 (− 0.21–0.22)

−0.02 (− 0.23–0.20)

0 (− 0.22–0.21)

Adverse outcomes, OR (95% CI)

 Preterm birth

0.73 (0.31–1.73)

0.81 (0.33–2.01)

0.60 (0.24–1.54)

0.63 (0.24–1.65)

 Low birthweight

1.41 (0.61–3.25)

1.44 (0.58–3.58)

0.58 (0.18–1.92)

0.57 (0.17–1.95)

 Macrosomia

0.80 (0.34–1.91)

0.91 (0.37–2.25)

0.53 (0.19–1.48)

0.53 (0.18–1.54)

 Small-for-gestational age

1.21 (0.56–2.63)

1.21 (0.53–2.76)

0.74 (0.29–1.89)

0.73 (0.28–1.92)

 Large-for-gestational age

1.16 (0.68–1.97)

1.21 (0.69–2.11)

0.74 (0.40–1.37)

0.70 (0.37–1.34)

 Major congenital malformations

3.00 (0.93–9.74)

3.18 (0.82–12.28)

1.47 (0.32–6.81)

1.32 (0.24–7.13)

  1. MD mean difference, CI confidence interval, OR odds ratio
  2. a Adjusted for parental age, parental body mass index, gravidity, parity, infertility duration, infertility diagnosis, rank of cycle, stimulation protocol, length of treatment, peak estradiol level, postprocessing total motile sperm count, vanishing twin syndrome, pregnancy complications, and year of treatment