Title: Validity of physical activity monitors during daily life in patients with COPD
Authors: Rabinovich, Roberto A ×
Louvaris, Zafeiris
Raste, Yogini
Langer, Daniel
Van Remoortel, Hans
Giavedoni, Santiago
Burtin, Chris
Regueiro, Eloisa M G
Vogiatzis, Ioannis
Hopkinson, Nicholas S
Polkey, Michael I
Wilson, Frederick J
Macnee, William
Westerterp, Klaas R
Troosters, Thierry
on behalf of the PROactive consortium. #
Issue Date: Nov-2013
Publisher: Published jointly by the Society and Munksgaard
Series Title: European Respiratory Journal vol:42 issue:5 pages:1205-15
Abstract: Symptoms during physical activity (PA) and physical inactivity are hallmarks of COPD. Our aim was to evaluate the validity and usability of six activity monitors in patients with COPD against the doubly labelled water (DLW) indirect calorimetry method.Eighty COPD patients (age 68±6 years, FEV1 57±19% predicted) recruited in four centres each wore simultaneously three or four of six commercially available monitors validated in chronic conditions for 14 consecutive days. A priori validity criteria were defined. These included the ability to explain total energy expenditure (TEE) variance through multiple regression analysis, using TEE as the dependent variable with total body water (TBW) plus several PA monitors outputs as independent variables; and correlation with DLW measured activity energy expenditure (AEE).The Actigraph GT3X and DynaPort MoveMonitor best explained the majority of the TEE variance not explained by TBW (53% and 70% respectively) and showed the most significant correlations with AEE (r=0.71 p<0.001, r=0.70 p<0.0001, respectively).The results of this study should guide users in choosing valid activity monitors for research or for clinical use in patients with chronic diseases such as COPD.
ISSN: 0903-1936
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Group for Cardiovascular and Respiratory Rehabilitation
× corresponding author
# (joint) last author

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