Table 3.
Means of steps, AEE, PA 3 and PAL across COPD risk groups A-D and GOLD grades I-IV
| Variable | Steps | AEE [cal] | PA 3 [min] | PAL [METs] | |
|---|---|---|---|---|---|
| Classification | N | Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD |
| CAT - Severity grades | 78 | ||||
| A | 27 | 6763.1 ± 4005.1 | 599.3 ± 477.0 | 116.3 ± 89.9 | 1.4 ± 0.3 |
| B | 36 | 4152.6 ± 2571.9 | 337.2 ± 297.3 | 76.5 ± 76.9 | 1.3 ± 0.3 |
| C + D | 15 | 2732.8 ± 1362.5 | 418.9 ± 295.4 | 99.1 ± 85.4 | 1.4 ± 0.3 |
| mMRC – Severity grades | 71 | ||||
| A | 40 | 5971.3 ± 3302.5 | 460.4 ± 399.1 | 98.2 ± 84.0 | 1.4 ± 0.3 |
| B | 17 | 3633.8 ± 2996.1 | 376.3 ± 343.9 | 79.9 ± 88.4 | 1.3 ± 0.3 |
| C + D | 14 | 2811.4 ± 1378.2 | 426.5 ± 305.0 | 100.9 ± 88.3 | 1.4 ± 0.3 |
| CAT - Exacerbations | 78 | ||||
| A | 27 | 6763.1 ± 4005.1 | 599.3 ± 477.0 | 116.3 ± 90.0 | 1.4 ± 0.3 |
| B | 42 | 3923.7 ± 2488.5 | 344.0 ± 288.8 | 77.7 ± 76.4 | 1.3 ± 0.3 |
| C + D | 9 | 2858.3 ± 1439.1 | 441.3 ± 334.7 | 108.4 ± 92.1 | 1.4 ± 0.3 |
| mMRC - Exacerbations | 71 | ||||
| A | 43 | 5794.4 ± 3247.1 | 469.2 ± 391.5 | 97.7 ± 84.8 | 1.4 ± 0.3 |
| B | 19 | 3426.5 ± 2937.7 | 349.3 ± 322.7 | 80.2 ± 84.9 | 1.3 ± 0.3 |
| C + D | 9 | 2858.3 ± 1439.1 | 441.3 ± 334.7 | 108.4 ± 92.1 | 1.4 ± 0.3 |
| GOLD grades | 78 | ||||
| I | 22 | 6191.8 ± 3985.2 | 496.9 ± 434.8 | 96.1 ± 97.1 | 1.3 ± 0.3 |
| II | 41 | 4778.3 ± 3128.5 | 424.1 ± 388.0 | 92.1 ± 78.0 | 1.3 ± 0.3 |
| III | 9 | 3358.1 ± 1436.3 | 462.1 ± 345.5 | 116.4 ± 103.2 | 1.4 ± 0.3 |
| IV | 6 | 1794.8 ± 371.2 | 354.0 ± 211.7 | 73.0 ± 44.9 | 1.3 ± 0.1 |
AEE, active energy expenditure; CAT, COPD assessment test; COPD, chronic obstructive pulmonary disease; GOLD, Global Initiative for Chronic Obstructive Lung Disease; MET, metabolic equivalent; mMRC, modified Medical Research Council; PAL, physical activity level; PA3, physical activity duration above 3 METs; SD, standard deviation.