Table 6. Reliability of a single measurement, the median of 3 measurements, and the mean of 3 measurements.

	Relative Technical Error of Measurement, % (95% Confidence Interval)
Measurement	Height	Weight	MUAC
INTRA-OBSERVER (N = 84)
First of Three	0.43 (0.37 to 0.50)	0.68 (0.57 to 0.78)	1.46 (1.24 to 1.68)
Mean of Three	0.60 (0.51 to 0.69)	0.43 (0.37 to 0.50)	1.16 (0.99 to 1.34)
Median of Three	0.35 (0.30 to 0.41)	0.39 (0.33 to 0.45)	1.27 (1.08 to 1.46)
INTER-OBSERVER (N = 89)
First of Three	0.96 (0.81 to 1.10)	0.96 (0.81 to 1.11)	1.50 (1.28 to 1.72)
Mean of Three	0.80 (0.68 to 0.92)	0.78 (0.66 to 0.91)	1.48 (1.26 to 1.69)
Median of Three	0.75 (0.64 to 0.86)	0.79 (0.67 to 0.91)	1.53 (1.30 to 1.76)