Skip to main content
. 2020 Jul 29;20:1187. doi: 10.1186/s12889-020-09294-0

Table 2.

Measures of diagnostic accuracy, comparison of MUAC cutoffs for every 0.5 cm

MUAC cutoff (cm) Sensitivity (SENS) Specificity (SPEC) Positive Predictive Value (PPV) Negative Predictive Value (NPV) Youden’s Index (YI)
< 20 3.6 100 1 0.91 0.04
< 20.5 7.1 100 1 0.92 0.07
< 21 17.9 100 0.86 0.93 0.18
< 21.5 21.4 99.6 0.85 0.94 0.21
< 22 39.3 99.3 0.54 0.95 0.39
< 22.5 46.4 96.0 0.53 0.96 0.42
< 23 64.3 94.2 0.47 0.97 0.58
< 23.5 71.4 91.6 0.39 0.98 0.63
< 24 85.7 86.5 0.35 0.99 0.72
< 24.5 92.9 82.5 0.30 0.99 0.75
< 25 96.4 77.4 0.26 0.99 0.74
< 25.5 96.4 71.9 0.23 1 0.68
< 26 100 65.3 0.19 1 0.68
< 26.5 100 57.3 0.17 1 0.57
< 27 100 51.5 0.16 1 0.51
< 27.5 100 46.4 0.14 1 0.46
< 28 100 39.1 0.13 1 0.39
< 28.5 100 35.4 0.12 1 0.35
< 29 100 28.8 0.12 1 0.29
< 29.5 100 26.3 0.11 1 0.26
< 30 100 22.6 0.11 1 0.23
< 30.5 100 19.3 0.10 1 0.19
< 31 100 15.7 0.10 1 0.16
< 31.5 100 11.7 0.10 1 0.12
< 32 100 9.1 0.10 1 0.09
< 33.5 100 7.7 0.10 1 0.08
< 34 100 5.5 0.10 1 0.05
< 34.5 100 4.4 0.09 1 0.04
< 35 100 2.9 0.09 1 0.03
< 35.5 100 2.2 0.09 1 0.02
< 36 100 1.8 0.09 1 0.02
< 36.5 100 1.1 0.09 1 0.01
< 37 100 0.7 0.09 1 0.01
> 37.5 100 0.00 0.09 1 0