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Table 1 Characteristics of the 87 study participants

From: Differences in classification of COPD patients into risk groups A-D: a cross-sectional study

Variable

n (%) or mean ± SD

Age [yrs]

67.3 ± 9.6

Male

51 (58.6)

Current smokers

41 (47.1)

BMI [kg/m2]

25.5 ± 5.4

CAT score

13.3 ± 7.2

mMRC score1

1.4 ± 0.9

Number of past-year exacerbations

0.4 ± 0.8

FEV1predicted [%]2

69.1 ± 24.3

FEV1/FVC [%]2

53.3 ± 13.8

Number of comorbidities

2.2 ± 2.1

Average daily steps3

4783.6 ± 3337.6

Average daily AEE [cal]3

443.6 ± 383.1

Average daily PA3 [min]3

94.6 ± 84.0

Average daily PAL [METs]3

1.3 ± 0.3

  1. BMI, body mass index; CAT, COPD assessment test; FEV1predicted, forced expiratory volume in 1 s of predicted; FVC, forced vital capacity; MET, metabolic equivalent; mMRC, modified Medical Research Council; PAL, physical activity level; PA3, physical activity duration above 3 METs; SD, standard deviation. 1(n = 79); 2(n = 85); 3(n = 78).