Comparison of patients with reduced and normal exercise capacity
SD, COPD
COPD, LUNG, CHRONIC OBSTRUCTIVE PULMONARY DISEASE
Twelve patients (20%) had reduced peak exercise capacity (V′OComparison of patients with reduced and normal exercise capacityData are shown as the number of subjects (%), means ± SD or medians [first quartile; third quartile], Student’s t- or Mann–Whitney tests were computed to assess statistical differences for normal or non-normal quantitative. Fisher’s exact test was used for analysis of contingency tablesBMI, Body mass index; ICU, Intensive care unit; COPD: Chronic obstructive pulmonary disease; FEV1, Forced expiratory volume at 1st second; FVC, Forced vital capacity; TLC, Total lung capacity; DLCOcor, Lung transfer for carbon monoxide; KCO, Carbon monoxide transfer coefficient; V′O*Missing values for n = 2 patients**Missing values for n = 1 patientBold represents In the group of patients having an exercise capacity considered within normal limits, the median peak predicted V′O