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Table 1 Severe acute malnutrition, defined by a MUAC cut-off <115 mm: comparing classification by mothers and CHW, for each arm

From: Mothers Understand And Can do it (MUAC): a comparison of mothers and community health workers determining mid-upper arm circumference in 103 children aged from 6 months to 5 years

Right arm   CHW Left arm   CHW
  MUAC <115 mm ≥115 mm   MUAC <115 mm ≥115 mm
Mothers <115 mm 12 3 Mothers <115 mm 11 1
  ≥115 mm 3 85   ≥115 mm 4 87
  1. Sensitivity = 80.0% (54.8%; 93.0%) Sensitivity = 73.3% (48.1%; 89.1%).
  2. Specificity = 96.6% (90.5%, 98.8%) Specificity = 98.9% (93.8%; 99.8%).
  3. PPV = 80.0% (54.8%; 93.0%) PPV = 91.7% (64.6%; 98.5%).
  4. NPV = 96.6% (90.5%; 98.8%) NPV = 95.6% (89.2%; 98.3%).
  5. Accuracy = 94.2% (87.9%; 97.3%) Accuracy = 95.6% (89.2%; 98.3%).