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Table 9 Comparison between general characteristics of patients with chronic bronchitis and emphysema

From: Predictors of cardiovascular disease in asthma and chronic obstructive pulmonary disease

 

Chronic bronchitis

N. 102

Emphysema

N. 27

P

Age, years

68 ± 1.0

73 ± 1.5

0.017

BMI

27.2 ± 0.5

22.1 ± 0.6

< 0.0001

Male, n (%)

58 (56.9)

20 (74.1)

NS

Smokers

   

  current, n (%)

55 (53.9)

17 (63)

NS

  past, n (%)

33 (32.4)

9 (33.3)

NS

Cardiovascular disease, n (%)

92 (90.2)

25 (92.6)

NS

Pressure overload,n (%)

51 (50)

8 (29.6)

NS

Volume overload, n (%)

41 (40.2)

17 (63)

0.034

Subgroup IHD n (%)

39 (39.4)

11 (40.7)

NS

Subgroup PH n (%)

15 (4.7)

10 (37)

0.009

GOLD class

   

  1

30 (29.4)

1 (3.7)

0.005

  2

44 (43.1)

8 (29.6)

NS

  3

19 (18.6)

13 (48.1)

0.0016

  4

9 (8.8)

5 (18.5)

NS

VC, % predicted

82.7 ±2

85.5 ± 4.3

NS

FEV1, % predicted

68.1± 2.2

51.9 ± 3.1

0.001

FEV1/VC %

60.2 ± 1.4

46.56 ± 2.6

< 0.0001

MEF50, % predicted

33.7 ± 2.5

13.6 ± 2.1

< 0.0001

PaO2 , mmHg

71.2 ± 1.1

70.1 ± 2.1

NS

PaCO2 , mmHg

40.1 ± 0.6

39.0 ± 0.8

NS

CRP, mg/ml

7.9 ± 1.0

6.8 ± 1.2

NS