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Table 2 Global acute malnutrition, defined by a MUAC cut-off <125 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 <125 mm ≥125 mm   MUAC <125 mm ≥125 mm
Mothers <125 mm 38 12 Mothers <125 mm 39 11
  ≥125 mm 2 51   ≥125 mm 1 52
  1. Sensitivity = 95.0% (83.5%; 98.6%) Sensitivity = 97.5% (87.1%; 99.6%).
  2. Specificity = 81.0% (69.6%, 88.8%) Specificity = 82.5% (71.4%; 90.0%).
  3. PPV = 76.0% (62.6%; 85.7%) PPV = 78.0% (64.8%; 87.3%).
  4. NPV = 96.2% (87.3%; 99.0%) NPV = 98.1% (90.1%; 99.7%).
  5. Accuracy = 86.4% (78.5%; 91.7%) Accuracy = 88.4% (80.7%; 93.2%).