Table 5

Differences in mean observed weight and predicted weight by age groups and gender

Gender	Age (years)	n	Observed weight (kg)		Difference with predicted weight (kg)
Gender	Age (years)	n	Mean	SD	Mean	SD
Males	2–5	746	16.512	3.294	0.387	2.482
	6–11	1027	33.235	7.788	1.289	3.512
	12–18	1118	60.977	12.897	−1.443	6.641
Females	2–5	810	16.556	3.622	−0.941	2.573
	6–11	1178	33.673	8.952	0.667	3.801
	12–18	1288	56.026	10.405	−0.018	5.991