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Table 3 Sensitivity and specificity of symptoms

From: Management of patients with chronic cough using a clinical protocol: a prospective observational study

Diagnosis Symptom Sensitivity % Specificity % p value
Asthma Wheeze 94 66 <0.001
  Breathlessness 82 51 0.009
  Airways obstruction (FEV1/FVC < 70%) 35 80 0.07
  Reversibility 11 95 0.2
Reflux Acid taste 50 80 0.01
  Heartburn 72 68 0.001
Rhinitis Post nasal mucus drip 100 67 0.002
  Throat clearing 100 37 0.07