The DESiGN trial (DEtection of Small for Gestational age Neonate), evaluating the effect of the Growth Assessment Protocol (GAP): study protocol for a randomised controlled trial

Table 3 Distribution of small for gestational age (SGA) and expected detection rates

		Number of small-for-gestational-age (SGA) neonates/10,000 births according to pooled estimates of previous studies [19, 22, 32, 33]
		By population reference only	By both population reference and customised standards (primary outcome)	By customised standards only
Total observations with SGA infants		250	750	250
Detection – standard care arm	%	20%	20%	16%
Detection – standard care arm	N	50	150	40
Detection – implementation arm (Growth Assessment Protocol; GAP)	%	12%	33%	33%
	N	30	250	83

ISSN: 1745-6215