Table 2.

Mid-upper arm circumference cut-off points for the diagnosis of underweight adolescents in eastern Sudan, 2021.

Variables	All participants	Females	Males
Mid-upper arm circumference cut-off	≤21.2 cm	≤21.2 cm	≤21.2 cm
Area under the curve (95.0% confidence interval)	0.78 (0.73–0.84)	0.87 (0.79–0.95)	0.69 (0.77–0.88)
Youden’s index	0.50	0.66	0.32
Sensitivity	82.0%	86.0%	80%
Specificity	68.0%	80.0%	52.0%