Table 1.

Enteropathy substudy groups

Children aged 6–59 months	SAM*		Well-nourished controls WHZ>–1
	Oedematous†	Non-oedematous
HIV-positive (HIV PCR+ if <18 months; HIV antibody+ if >18 months)	n=50 (group A-I)	n=50 (group A-II)	n=100 (group B)
HIV-negative (HIV PCR– if<18 months; HIV antibody – if>18 months)	n=50 (group C-I)	n=50 (group C-II)	n=100 (group D)

Note that children below 6 months of age are excluded from the enteropathy substudy to avoid interrupting exclusive breast feeding during the lactulose-mannitol test.

*SAM defined according to WHO criteria.

†Presence of bilateral pitting pedal oedema.

SAM, severe acute malnutrition; WHZ, weight-for-height Z-score.