From: Underdiagnosis of obstructive lung disease: findings from the French CONSTANCES cohort
Previous OLD diagnosisa | P | |||
---|---|---|---|---|
Asthma (N = 224) | COPD (N = 46) | No (N = 493) | ||
Sociodemographic | ||||
Males, % | 48.8 | 77.1 | 54.5 | 0.04 |
Age (years), m | 41.8 | 58.5 | 43.8 | < 0.001 |
ISCED education level, % | ||||
0–2 (≤ lower secondary) | 9.3 | 37.6 | 13.4 | 0.004 |
3–4 (upper secondary) | 36.3 | 42.1 | 40.4 | |
≥ 5 (tertiary) | 54.4 | 20.2 | 46.2 | |
Tobacco consumption, % | ||||
Never | 43.5 | 17.5 | 30.8 | < 0.001 |
Ever < 10 pack-years | 37.9 | 4.7 | 28.5 | |
Ever ≥ 10 pack-years | 18.6 | 77.8 | 40.7 | |
BMI (kg/m2), m | 24.6 | 27.4 | 24.8 | 0.38 |
Respiratory symptoms, % | ||||
Past-year wheezing | 64.4 | 73.8 | 26.3 | < 0.001 |
Chronic cough | 14.8 | 33.4 | 16.1 | 0.10 |
Chronic sputum | 11.8 | 22.9 | 11.5 | 0.29 |
Dyspnoea grade ≥ 2 | 20.9 | 51.8 | 15.6 | < 0.001 |
≥ 1 symptom | 72.6 | 79.7 | 39.7 | < 0.001 |
Cardiovascular comorbidities, % | ||||
No | 86.7 | 61.7 | 87.1 | 0.003 |
IHD, stroke, PAD | 1.9 | 6.7 | 3.7 | |
Other | 11.4 | 31.8 | 9.2 | |
Lung function | ||||
FEV1 (L), m | 2.56 | 1.80 | 2.75 | < 0.001 |
FEV1% predicted, m | 72.8 | 58.0 | 78.5 | |
GOLD severity, % | < 0.001 | |||
Mild | 28.3 | 3.3 | 48.4 | |
Moderate | 64.9 | 56.3 | 48.4 | |
Severe | 6.8 | 40.4 | 3.3 | < 0.001 |