Characteristics of patients’ physical activity at baseline and according to hospitalisations for chronic obstructive pulmonary disease (COPD) during follow-up
| All patients | COPD hospitalisation | p-value | ||
| No | Yes | |||
| Subjects | 177 | 110 | 67 | |
| Physical activity steps·day-1 | 6663±4675 | 7470±4939 | 5339±3890 | 0.003 |
| Physically active days per week# | 4 (1–7) | 5 (2–7) | 2 (0–7) | 0.007 |
| Time in physical activity min·day-1 | 176±123 | 185±131 | 160±108 | 0.272 |
| Average intensity of physical activity METs | 2.8±0.5 | 2.8±0.5 | 2.8±0.6 | 0.258 |
Data are presented as n, mean±sd or median (interquartile range), unless otherwise stated. METs: metabolic equivalent tasks. #: defined as ≥5000 steps·day-1 [12].