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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
CrudeAdjusted aCrudeAdjusted 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 birth0.73 (0.31–1.73)0.81 (0.33–2.01)0.60 (0.24–1.54)0.63 (0.24–1.65)
 Low birthweight1.41 (0.61–3.25)1.44 (0.58–3.58)0.58 (0.18–1.92)0.57 (0.17–1.95)
 Macrosomia0.80 (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 age1.21 (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 age1.16 (0.68–1.97)1.21 (0.69–2.11)0.74 (0.40–1.37)0.70 (0.37–1.34)
 Major congenital malformations3.00 (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