Table 2.
Reproducibility and coefficient of variation (CV) of gastrocnemius muscle oxidative capacity assessed by near-infrared spectroscopy, in smokers with and without COPD.
| k (min−1) | CV | ICC | 1st vs. 2nd rep |
||
|---|---|---|---|---|---|
|
|
|||||
| 1st rep | 2nd rep | % | P | ||
| COPD | 1.45 (±0.38) | 1.42 (±0.36) | 9.85 | 0.88 | N.S. |
| CON | 1.75 (±0.70)* | 1.72 (±0.70) | 9.94 | 0.93 | N.S. |
Data are mean (±SD). CON = controls; k = proportional to muscle oxidative capacity; CV = coefficient of variation; ICC = intraclass correlation coefficient.
*
p≤ 0.05 vs. COPD patients