Table 2. Validity of actual WHO cut-off for severe and acute malnutrition in children <5 y.

	age (y)	false positive rate	sensitivity	AUC
MUAC cut-off 12.5 cm: acute malnutrition
boys	0–1.9 y	2.1%	17.8%	0.578
	2–4.9 y	0.2%	6.5%	0.531
girls	0–1.9 y	4.9%	32.9%	0.640
	2–4.9 y	0.3%	10.2%	0.549
all	0–1.9 y	3.5%	24.3%	0.604
	2–4.9 y	0.3%	8.1%	0.539
MUAC cut-off 11.5 cm: severe acute malnutrition
boys	0–1.9 y	0.5%	3.3%	0.514
	2–4.9 y	0.1%	0.0%	0.500
girls	0–1.9 y	0.9%	18.2%	0.586
	2–4.9 y	0.0%	0.8%	0.540
all	0–1.9 y	0.7%	8.6%	0.540
	2–4.9 y	0.0%	2.8%	0.514