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Table 4 Diagnostic value of clinical sign and symptoms, radiological and physical exam findings with statistically significant predictors derived from logistic regression for proven foreign body aspiration

From: A new clinical algorithm scoring for management of suspected foreign body aspiration in children

  Sensitivity (%) Specificity (%) PPV (%) NPV (%) P-value*
Noisy breathing/stridor/dysphonia 23.1 89.0 47.7 72.7 0.008
Cyanosis 12.1 78.0 19.3 67.1 0.047
New onset wheezing/recurrent/persistent wheeze 22 93.3 58.8 73.3 0.0001
Abnormal Chest-X-ray 82.9 47.6 42 85.9 0.0001
Unilateral hyperinflation right/left side 40.8 79.5 47.7 74.6 0.001
Radio-opaque FB 5.3 100 100 69.8 0.009
Normal physical examination 23.3 44.0 15.8 56.1 0.0001
Unilateral reduced air entry right/left side 32.2 81.5 43.9 72.8 0.011
Wheezing 58.9 73.0 49.5 79.8 0.0001
  1. PPV positive predictive value, NPV negative predictive value
  2. *Pearson Chi-square and Fisher exact test