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Table 1 Clinical and sociodemographic characteristics of sample (N = 60)

From: Content validity of preference-based measures for economic evaluation in chronic obstructive pulmonary disease

Characteristic

N (%) [unless specified otherwise]

Mean age (SD)

69.7 (7.99)

Males

34 (56.67)

Mean pack-years (SD)

43.71 (16.82)

Oxygen Use

27 (45.00)

Mobility Aid Use

30 (50.00)

Mean FEV1% predicted (SD)

42.98 (21.66)a

Mean FEV1/FVC % (SD)

45.84 (15.65)b

GOLD 1

3 (5.17)a

GOLD 2

17 (29.31)a

GOLD 3

18 (31.03)a

GOLD 4

20 (34.48)a

Cardiac comorbidities

41 (68.33)

Respiratory comorbidities

33 (55.00)

Rheumatology comorbidities

16 (26.67)

Gastro-intestinal comorbidities

16 (26.67)

Cancer comorbidities

13 (21.67)

Vascular comorbidities

11 (18.33)

Other co-morbidities

49 (81.67)

Mean PGI score (SD) [0–100]

34.55 (20.19)

Mean SF-6D score (SD) [0–1]

0.57 (0.09)

  1. FEV1 Forced expiratory volume in one second, FVC forced vital capacity, N sample size, PGI Patient-Generated Index, SD standard deviation
  2. aMissing data (N = 58)
  3. bMissing data (N = 54)