. 2019 May 1;9(4):e022981. doi: 10.1136/bmjopen-2018-022981

Table 2.

Primary outcome: birth weight and GROW centile

	Treatment (n=83)	Sham (n=84)	Treatment – sham Difference (95% CI)	P value
Birth weight (g)	3191±483	3081±484	110* (−38 to 258)	0.14
GROW centile (%)	43 (18 to 67)	31 (14 to 58)	7† (−2 to 17)	0.11

Normally distributed continuous variables are reported as mean ±SD. Non-normally distributed continuous variables are presented as median (IQR).

*Welch two sample t-test.

†Wilcoxon rank sum test.

GROW centile, Gestation Related Optimal Weight customised birth weight centile.