Table 2.
Control | COPD
|
||
---|---|---|---|
GOLD I/II | GOLD III/IV | ||
Subjects, n | 18 | 37 | 33 |
Number of steps per day | 6,844 (4,935–7,832) | 5,460 (2,527–7,840) | 1,744 (716–4,543)**,‡ |
Duration of ≥2.0 METs, min/day | 177 (143–254) | 162 (92–225) | 83 (58–157)*,‡ |
Duration of ≥2.5 METs, min/day | 84 (63–143) | 71 (35–95) | 27 (11–62)**,‡ |
Duration of ≥3.0 METs, min/day | 37 (25–51) | 25 (12–43) | 8 (3–19)**,‡ |
Notes: Data are presented as median (IQR).
p < 0.01,
p < 0.001 versus control,
p < 0.01 versus GOLD I/II.
Abbreviations: GOLD, Global Initiative for Chronic Obstructive Lung Disease; METs, metabolic equivalents; IQR, interquartile range.