Age years | 70.2±8.2 |
FEV1 L | 1.22±0.56 |
FEV1 % predicted | 48.6±18.1 |
FEV1/FVC % | 46.6±14.2 |
Smoking pack-years | 54.0±42.1 |
SpO2 % | 94.6±2.0 |
BMI kg·m−2 | 26.8±5.7 |
London COPD cohort diary card exacerbation frequency per patient per year | 2.88 (1.92–4.43) |
Male | 36 (62.1) |
Current smokers | 11 (19.0) |
Comorbidity present | 47 (81.0) |
Congestive heart failure | 6 (10.3) |
Ischaemic heart disease | 13 (22.4) |
Hypertension | 32 (55.2) |
Diabetes mellitus | 4 (6.9) |
Patients receiving maintenance inhaled corticosteroids | 52 (89.6) |
Data are presented as mean±sd, median (interquartile range) or n (%). FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; SpO2: arterial oxygen saturation measured by pulse oximetry; BMI: body mass index; COPD: chronic obstructive pulmonary disease.