Characteristics and physiological data of hospitalised COPD patients, clinically stable COPD patients, and healthy elderly subjects
| Hospitalised COPD patients, day 3 (n=34) | Clinically stable COPD patients (n=13) | Healthy elderly subjects (n=10) | |
|---|---|---|---|
| Values are expressed as mean (SD). | |||
| BMI=body mass index; FEV1=forced expiratory volume in 1 second; FVC=forced vital capacity; Tlco=carbon monoxide transfer factor; Pimax=maximal inspiratory mouth pressure; HGF=handgrip force; QPT=quadriceps peak torque; Pao2, Paco2= arterial oxygen and carbon dioxide tension. | |||
| *p<0.05 v clinically stable COPD patients. | |||
| †p<0.05 v healthy elderly subjects. | |||
| Age (years) | 69 (7) | 68 (10) | 68 (8) |
| BMI (kg/m2) | 24 (5)*† | 28 (3) | 27 (3) |
| FEV1 (% pred) | 40 (17)† | 50 (15)† | 107 (10) |
| FEV1/FVC (%) | 41 (11)† | 43 (10)† | 74 (4) |
| Tlco (% pred) | 50 (24) | 62 (22) | – |
| Pao2 (kPa) | 8.9 (1.7) | 9.5 (1.9) | – |
| Paco2 (kPa) | 6.0 (1.7) | 5.7 (0.6) | – |
| Pimax (% pred) | 70 (27)† | 84 (22)† | 116 (25) |
| HGF (% pred) | 86 (24)*† | 104 (22) | 112 (14) |
| QPT (% pred) | 66 (22)*† | 86 (16)† | 103 (20) |