Table 6.
Dynamometric parameters and 6MWT in COPD groups divided according to BODE index score
| Dynamometric parameters | Control (n=25) |
BODE 0–2 (n=29) |
BODE 3–4 (n=20) |
BODE 5–10 (n=9) |
A/K-W |
|---|---|---|---|---|---|
| Max grip (N) | 371±90 | 342±82 | 313±83 | 240±80a,b | 0.007 |
| AUC (thousands) | 18.9 (16.0; 24.2) | 15.5 (11.8; 17.6)a | 12.1 (11.1; 13.8)a,b | 11.2 (8.5; 14.3)a | 0.012 |
| 6MWT (m) | 537 (484; 564) | 420 (360; 450)a | 395 (353; 420)a | 270 (210; 300)a,b | <0.001 |
Notes: A/K-W, P-value of one-way analysis of variance or Kruskal–Wallis test, bolded values reached statistical significance (P≤0.05). Results are expressed as mean ± SD or median (25th percentile; 75th percentile).
a
t-Test, Mann–Whitney U-test, or Wilcoxon signed rank test vs control group (P≤0.05);
b
t-test or Mann–Whitney U-test vs BODE 0–2 (P≤0.05). Values of 6MWT for the control group were calculated using reference equations for healthy adults.14
Abbreviations: AUC, area under the force/time curve; Max grip, maximum hand grip strength of dominant arm.