. 2019 Feb 5;2:49. Originally published 2018 Oct 4. [Version 2] doi: 10.12688/gatesopenres.12869.2

Table 1. Groups included in the INTERBIO-21 ^st Newborn Case-Control Study.

Set	Babies born <38 ⁺⁰ weeks’ gestation	Babies born SGA	Description	Number to be included in case-control study
A	Yes	No	Non-SGA babies born <38 ⁺⁰ weeks’ gestation	A (all)
B	No	Yes	SGA babies born ≥38 ⁺⁰ weeks’ gestation	B (all)
C	Yes	Yes	SGA babies born <38 ⁺⁰ weeks’ gestation	C (all)
D	No	No	Non-SGA babies born ≥38 ⁺⁰ weeks’ gestation	Sample = A+B+C

SGA, small for gestational age.

Table 1. Groups included in the INTERBIO-21 st Newborn Case-Control Study.