Skip to main content

Table 3 Respiratory symptoms according to the severity of airflow limitation in participants with and without a previous diagnosis of OLD

From: Underdiagnosis of obstructive lung disease: findings from the French CONSTANCES cohort

  GOLD severity Total (N = 763)
Mild N = 319 Moderate N = 4035 Severe N = 41
No previous OLD diagnosis     
 Past-year wheezing, % 19.8 29.4 76.2 26.3
 Chronic cough, % 10.1 21.1 28.0 16.1
 Chronic sputum, % 6.4 16.4 14.6 11.5
 Dyspnoea grade ≥ 2, % 9.1 20.1 44.4 15.6
  ≥ 1 symptom, % 28.8 47.6 84.1 39.7
Previous OLD diagnosis     
 Past-year wheezing, % 58.2 66.3 80.4 66.4
 Chronic cough, % 21.3 15.3 30.8 18.9
 Chronic sputum, % 13.1 12.2 25.2 14.4
 Dyspnoea grade ≥ 2, % 25.2 21.6 57.6 27.8
  ≥ 1 symptom, % 71.2 73.7 80.9 74.2
Total     
 Past-year wheezing, % 27.6 44.6 79.1 40.3
 Chronic cough, % 12.4 18.7 29.9 17.0
 Chronic sputum, % 7.8 14.7 22.1 12.5
 Dyspnoea grade ≥ 2, % 12.4 20.7 53.7 19.9
  ≥ 1 symptom, % 37.6 58.4 81.8 51.9
  1. COPD chronic obstructive pulmonary disease; GOLD Global Initiative on Obstructive Lung Disease; OLD obstructive lung disease
  2. Data are presented as weighted percentage (%)