Table 2 Measurements of activity obtained by the Actiwatch (leg) and Dynaport (whole body) systems during the 2 days of recording in 12 patients with chronic obstructive pulmonary disease (Evaluation 1)
Mean (SD)
Actiwatch
Time spent mobile (% of recording)63.3 (14.5)
Mean activity score (×103 counts/h)123 (110)
Mean intensity of activity (×103 counts/h)190 (162)
Dynaport
Time spent moving (%)13.5 (4.4)
Movement intensity0.2 (0.1)
Movement intensity during movement1.48 (0.21)
Time spent walking (%)3.6 (2.8)
Time spent standing (%)32.1 (15.2)
Time spent sitting (%)58.7 (17.6)
Time spent lying down (%)5.3 (4.9)