You are viewing the site in preview mode

Skip to main content

Advertisement

Table 4 Neonatal outcomes of liveborn ART and non-ART twins, Australia, 2007–2011

From: Neonatal outcomes among twins following assisted reproductive technology: an Australian population-based retrospective cohort study

  Total No. % OR (95% CI) AORa (95% CI) AORb (95% CI)
Apgar score at 5 min < 7  
 Non-ART 14,718 556 3.8 1.00   
 ART 4506 169 3.8 0.99 (0.83–1.18) 1.24 (1.02–1.52) 1.22 (1.01–1.50)
Preterm
 Non-ART 14,734 8281 56.2 1.00 1.00  
 ART 4516 2764 61.2 1.23 (1.15–1.32) 1.13 (1.05–1.22) 1.13 (1.05–1.22)
Low birth weight  
 Non-ART 14,728 7415 50.3 1.00 1.00  
 ART 4515 2474 54.8 1.20 (1.12–1.28) 1.13 (1.05–1.22) 1.11 (1.03–1.20)
Resuscitation  
 Non-ART 14,727 7038 47.8 1.00 1.00  
 ART 4514 2569 56.9 1.44 (1.35–1.54) 1.26 (1.17–1.36) 1.29 (1.20–1.39)
Admission to intensive or special care nursery  
 Non-ART 14,355 8626 60.1 1.00 1.00  
 ART 4445 2945 66.3 1.30 (1.22–1.40) 1.08 (1.00–1.17) 1.09 (1.01–1.18)
Length of infant stay ≥5 days in hospital  
 Non-ART 14,733 10,084 68.4 1.00 1.00  
 ART 4516 3683 81.6 2.04 (1.88–2.21) 1.06 (0.97–1.17) 1.04 (0.95–1.14)
Neonatal death  
 Non-ART 14,734 262 1.8 1.00 1.00  
 ART 4516 93 2.1 1.16 (0.92–1.48) 1.32 (1.01–1.73) 1.31 (1.01–1.72)
Any adverse outcome
 Non-ART 14,734 13,106 89.0 1.00 1.00  
 ART 4516 4304 95.3 2.52 (2.18–2.92) 1.28 (1.09–1.50) 1.25 (1.07–1.47)
  1. aadjusted for maternal age, parity, Indigenous status of mother, pre-pregnancy BMI, and smoking during pregnancy
  2. badjusted for maternal age, parity, and Indigenous status of mother