Skip to main content

Table 1  Characteristics of subjects with COPD in the CODA cohort

From: Quantitative assessment the longitudinal changes of pulmonary vascular counts in chronic obstructive pulmonary disease

Characteristics

Baseline (n = 288)

3 year follow(n = 147)

6 year follow(n = 88)

Sex1

   

 Male

236 (81.9)

123(83.7)

74(84.1)

 Female

52 (18.1)

24(16.3)

14(15.9)

Age, years2

72.88 ± 7.27

75.68 ± 6.53

78.00 ± 6.47

Smoking (n = 285)1

   

 Never

71 (24.9)

28(19.0)

17(19.5)

 Former

138 (48.4)

92(62.6)

56(64.4)

 Current

76 (26.7)

27(18.4)

14(16.1)

Pack-years2

21.03 ± 25.49

  

BMI (kg/m2)2

23.17 ± 3.13

23.90 ± 3.50

23.32 ± 3.43

mMRC (n = 284)2

1.48 ± 1.16

1.24 ± 1.13

1.52 ± 1.06

CAT score (n = 284)2

17.06 ± 9.68

10.81 ± 6.75

13.32 ± 6.93

GOLD grade1

   

 1

147 (51.0)

61(47.7)

16(21.6)

 2

118 (41.0)

58(45.3)

49(66.2)

 3 and 4

23 (8.0)

9(7.0)

9(12.2)

PFE2

   

 FVC (L)

3.12 ± 0.80

3.04 ± 0.71

2.73 ± 0.66

 FEV1 (L)

1.84 ± 0.56

1.81 ± 0.53

1.66 ± 0.50

 FEV1/FVC(%)

58.80 ± 8.64

59.36 ± 9.81

60.75 ± 9.61

  1. There were four and three non-responders among all patients for mMRC, CAT scores and Smoking, respectively
  2. BMI Body Mass Index, mMRC modified Medical Research Council, H.U Hounsfield Unit, GOLD Global Initiative for Chronic Obstructive Lung Disease, PFE Pulmonary Function Evaluation, CAT Chronic obstructive pulmonary disease Assessment Test, FEV1 Forced Expiratory Volume in 1 s, FVC Forced Vital Capacity
  3. 1Indicated data are number and percentages in parentheses
  4. 2Data are mean ± standard deviation (SD)