TY - JOUR TI - Both moderate and severe exacerbations accelerate physical activity decline in COPD patients AU - Demeyer, H. AU - Costilla-Frias, M. AU - Louvaris, Z. AU - Gimeno-Santos, E. AU - Tabberer, M. AU - Rabinovich, R.A. AU - De Jong, C. AU - Polkey, M.I. AU - Hopkinson, N.S. AU - Karlsson, N. AU - Serra, I. AU - Vogiatzis, I. AU - Troosters, T. AU - Garcia-Aymerich, J. AU - Ivanoff, N. AU - Karlsson, N. AU - Corriol-Rohou, S. AU - Jarrod, I. AU - Erzen, D. AU - Scuri, M. AU - Montacchini, R. AU - McBride, P. AU - Kamel, N. AU - Tabberer, M. AU - Troosters, T. AU - Janssens, W. AU - Demeyer, H. AU - Dobbels, F. AU - De Boer, P. AU - Kulich, K. AU - Polkey, M.I. AU - Hopkinson, N.S. AU - Vogiatzis, I. AU - Nikai, E. AU - Van Der Molen, T. AU - De Jong, C. AU - Rabinovich, R.A. AU - MacNee, B. AU - Puhan, M.A. AU - Frei, A. JO - The European respiratory journal PY - 2018 VL - 51 TODO - 1 SP - null PB - European Respiratory Society SN - null TODO - 10.1183/13993003.02110-2017 TODO - aged; ambulatory care; chronic obstructive lung disease; clinical outcome; deterioration; disease exacerbation; exercise; exercise intensity; exercise tolerance; female; follow up; hospital admission; human; Letter; major clinical study; male; medical history; physical activity; priority journal; chronic obstructive lung disease; complication; exercise; forced expiratory volume; lung function test; middle aged; multivariate analysis; pathophysiology; prevalence; prognosis; vital capacity, Aged; Disease Progression; Exercise; Female; Forced Expiratory Volume; Humans; Male; Middle Aged; Multivariate Analysis; Patient Admission; Prevalence; Prognosis; Pulmonary Disease, Chronic Obstructive; Respiratory Function Tests; Vital Capacity TODO - null ER -