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Table 2 Demographics, comparison of subjects by GOLD classification

From: Inverse association of plasma IL-13 and inflammatory chemokines with lung function impairment in stable COPD: a cross-sectional cohort study

 

GOLD 0

GOLD 1

GOLD 2

GOLD 3

GOLD 4

Total

Sample size

5

8

21

20

19

73

Age, years*

61 (2)

59 (2)

64 (2)

67 (2)

60 (2)

63 (1)

Sex, M/F

3/2

5/3

12/9

13/7

9/10

42/31

Pack years*

37 (4)

57 (8)

60 (7)

53 (4)

47 (4)

53 (3)

Current smokers (%)

2 (40)

4 (50)

7 (33)

5 (25)

1 (5)

19 (26)

ICS use (%)

0 (0)

1 (13)

7 (33)

12 (60)

16 (84)

36 (49)

SCS use (%)

0 (0)

0 (0)

0 (0)

2 (10)

3 (16)

5 (7)

% FEV1 *

87 (4)

91 (3)

66 (2)

39 (1)

21 (1)

51 (3)

FEV1/FVC*

77(2)

63 (2)

55 (2)

37 (2)

28 (1)

45 (2)

% DLCO* †

68 (4)

58 (7)

62 (4)

37 (2)

25 (1)

46 (3)

  1. ICS, inhaled corticosteroids; SCS, systemic corticosteroids
  2. *Data are presented as mean (SEM)
  3. †DLCO % predicted measurements not available for 1 subject in GOLD 0, 2 subjects in GOLD 1, 6 subjects in GOLD 2, 6 subjects in GOLD 3, 5 subjects in GOLD 4.