Abstract P116 Table 1.

Prevalence and severity of COPD symptoms throughout the 24-hour day

N=727Night-timeEarly-morningDay-time
Prevalence of COPD symptoms, n (%)
≥3 times during the past week312 (42.9)455 (62.6)427 (58.7)
≥3 times during a typical weeka378 (52.0)488 (67.1)468 (64.4)
≥1 COPD symptoms during the past week458 (63.0)592 (81.4)601 (82.7)
Severity of COPD symptoms,b n (%c)
Mild191 (46.7)252 (44.1)254 (43.1)
Moderate175 (42.8)250 (43.8)272 (46.2)
Severe39 (9.5)61 (10.7)59 (10.0)
Very severe4 (1)8 (1.4)4 (0.7)

  • ↵a A typical week refers to a week that the patient considers is most usual for them during the previous month

  • ↵b During the previous week

  • ↵c Percentage based on patients who reported symptoms in the previous week and provided data for symptom severity