Patients (%) with COPD symptoms*
Night
Morning
Day
Prevalence (any symptom)
≥3 times past week
43
57
57
≥3 times typical week
48
62
61
Patients with ≥1 symptom
62
77
79
Severity (past week)
No symptoms
48
25
22
Mild/moderate
45
65
68
Severe/very severe
6
9
9
*to nearest %