Table 2.
Comparison of IKE scores and balance parameters regarding the patients COPD status
| Control group | Stable COPD group | AECOPD group | P-value | |
|---|---|---|---|---|
| IKE left (kgf)§ | 35.9 (7.1) | 23.8 (13.1) | 18.5 (2.8) | <0.001* |
| IKE right (kgf)§ | 36.1 (6.4) | 24.3 (12.3) | 18.5 (3.9) | <0.001* |
| 6MWD (m)§ | 431 (42) | 363 (67) | 266 (85) | <0.001* |
| SLS (s)§ | 26 (3.1) | 16.3 (2.1) | 7.8 (1.8) | <0.001* |
| TUG (s)§ | 9.3 (2.1) | 15.2 (1.1) | 18.3 (2.6) | <0.001* |
| BBS (pts)§ | 53 (5) | 46 (3) | 42 (4) | <0.001* |
| FES (pts)§ | 17.5 (5) | 40 (4) | 51 (6) | <0.001* |
| Fibrinogen (g/L), mean ± SD¥ | 2.62±0.4 | 3.03±0.7 | 5.84±6.2 | 0.010* |
| hs-CRP (mg/L), mean ± SD¥ | 3.2±1.4 | 4.01±3.2 | 10.6±8.2 | <0.001* |
| Smoking history (pack-years) | 31 (15) | 35 (26) | 40 (21) | 0.08 |
Notes: Data is presented as median (interquartile range), unless otherwise noted.
§
Variables without Gaussian distribution; P-value was calculated using Kruskal–Wallis test.
*
Differences are significant.
¥
Variables with Gaussian distribution; P-value was calculated using unpaired Student’s t-test.
Abbreviations: IKE, isometric knee extension; AECOPD, acute exacerbation of COPD; 6MWD, 6-minute walking distance; SLS, Single Leg Stance; TUG, Timed Up and Go; BBS, Berg Balance Scale; pts, points; FES, Falls Efficacy Scale; hs-CRP, high-sensitive C-reactive protein.