Correlations between quadriceps peak torque, pulmonary function, and systemic levels of inflammatory and anabolic markers
| Hospitalised COPD patients, day 3 | Clinically stable COPD patients | Healthy elderly subjects | |
|---|---|---|---|
| *p=0.05; †p=0.03; ‡p=0.06; §p=0.02; ¶p=0.001. | |||
| FEV1=forced expiratory volume in 1 second; Tlco=carbon monoxide transfer factor; IL-6=interleukin 6; CXCL8=interleukin 8; IGF-I=insulin-like growth factor I. | |||
| Age (years) | −0.34* | −0.84¶ | −0.61‡ |
| FEV1 (l) | 0.36† | 0.78¶ | 0.22 |
| Tlco (mmol/kPa/min) | 0.64¶ | 0.80¶ | – |
| Log IL-6 | −0.38† | 0.04 | −0.16 |
| Log CXCL8 | −0.53¶ | −0.57* | −0.08 |
| Log IGF-I | 0.41§ | 0.60† | 0.64* |