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Table 2 Clinical and functional characteristics, by age and severity of obstruction.

From: Does mild COPD affect prognosis in the elderly?

 

ATS/ERS stage

 

No Obstruction

Mild obstruction

Moderate/Severe obstruction

Males (%)

41.2

59.8

68.3

Ischemic heart disease (%)

13.0

13.2

19.9

Cerebro-vascular disease (%)

4.5

3.7

6.4

Diabetes (%)

11.7

9.6

12.1

Cancer (%)

4.0

3.7

4.3

6MWD % predicted (mean [SD])

81.0 (26.3)

78.2 (24.0)

68.6 (24.2)

GDS score (mean [SD])

3.5 (3.3)

2.8 (3.1)1

3.7 (3.3)

MMSE score (mean [SD])

27.7 (3.0)

27.4 (2.8)

26.7 (4.2)

Barthel Index (mean [SD])

95.0 (7.9)

95.8 (5.0)1

92.8 (7.6)

 

BTS stage

 

No Obstruction

Mild obstruction

Moderate/Severe obstruction

Males (%)

43.3

63.0

76.5

Ischemic heart disease (%)

12.4

22.0

14.7

Cerebro-vascular disease (%)

4.4

5.3

11.8

Diabetes (%)

10.9

12.1

13.2

Cancer (%)

3.8

6.1

1.5

6MWD % predicted (mean [SD])

80.6 (26.2)

76.3 (21.7)

62.8 (25.3)

GDS score (mean [SD])

3.5 (3.3)

3.2 (3.2)

3.5 (3.0)

MMSE score (mean [SD])

27.7 (2.9)

26.9 (3.9)1

26.8 (4.2)

Barthel Index (mean [SD])

96 (7.7)

95.2 (4.8)

91.5 (8.5)

 

GOLD stage

 

No Obstruction

Mild obstruction

Moderate/Severe obstruction

Males (%)

40.4

59.5

67.5

Ischemic heart disease (%)

13.5

6.4

19.5

Cerebro-vascular disease (%)

4.5

3.8

5.5

Diabetes (%)

11.7

6.4

12.5

Cancer (%)

4.0

2.6

4.5

6MWD % predicted (mean [SD])

81.3 (26.2)

77.5 (26.0)

71.1 (23.9)

GDS score (mean [SD])

3.6 (3.3)

2.9 (3.3)1

3.3 (3.2)

MMSE score (mean [SD])

27.7 (3.0)

27.7 (2.6)

26.8 (4.0)

Barthel Index (mean [SD])

94.9 (8.0)

95.8 (5.7)1

94.0 (6.5)

  1. Age <75 years.
  2. 1P < 0.05.