Figures & data
Figure 1 Data elements collected within the study.
Abbreviations: ATS, American Thoracic Society; BTS, British Thoracic Society; COPD, chronic obstructive pulmonary disease; CTS, Canadian Thoracic Society; ERS, European Respiratory Society; FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; GOLD, Global Initiative for Chronic Obstructive Lung Disease; HRQoL, health-related quality of life; SGRQ-C, St George’s Respiratory Questionnaire for COPD; WPAI-SHP, Work Productivity and Activity Impairment Questionnaire – Specific Health Problem.
Table 1 Patient characteristics
Figure 2 Patient symptoms at initial diagnosis, initial severe/very severe diagnosis, and most recent COPD visit.
Abbreviation: COPD, chronic obstructive pulmonary disease.
Figure 3 Mean exacerbations in the previous 12 months among COPD patients enrolled in the study.
Notes: *P<0.05; **P<0.01.
Abbreviation: COPD, chronic obstructive pulmonary disease.
Abbreviation: COPD, chronic obstructive pulmonary disease.
Table 2 Exacerbation characteristics, by COPD severity and severity of last exacerbation
Table 3 HRQoL and work productivity by COPD severity and severity of last exacerbation
Table 4 Predictors of SGRQ-C total scores and EQ-5D index