Table 7

Percentages of triplet pairs per BW discordance category

BW discordance

Heaviest - lightest

Heaviest - middle

Middle - ligthest


< 10%

17.9/14.8%

60.1/60.0%

48.6/47.7%

10 - 14.9%

18.9/19.1%

18.9/17.2%

18.7/19.1%

15 - 19.9%

16.6/19.6%

12.0/11.7%

12.8/11.2%

20 - 24.9%

14.1/12.8%

4.9/5.1%

5.6/5.4%

25 - 29.9%

11/7.9%

1.8/2.5%

4.9/4.9%

≥ 30%

21.5/25.8%

2.3/3.5%

9.5/11.7%


BW = birth weight. First presented percentage is calculated from triplets registered at the NTR, het second percentage is based on a national sample of triplets born in the Netherlands between 2000 and 2006, including triplets that deceased before 28 days after birth.

Lamb et al. BMC Pediatrics 2011 11:24   doi:10.1186/1471-2431-11-24

Open Data