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Table 1 Clinical variables of the subjects enrolled in the analysis of the cellular immune response

From: Multi-level immune response network in mild-moderate Chronic Obstructive Pulmonary Disease (COPD)

 

Non-Smokers

Smokers

COPD-FS

COPD-CS

P value

n = 12

n = 9

n = 16

n = 28

Age (years)

67.6 ± 9.5

58.0 ± 9.3

64.5 ± 8.1

67.8 ± 7.8

0.0587

Gender (M/F)

3/9

5/4

14/2

20/8

0.0051

Pack/year

36.8 ± 19.1

48.7 ± 19.9

51.1 ± 22.1

0.1830

BMI (Kg/m2)

28.0 ± 6.7

27.4 ± 5.4

24.9 ± 3.8

28.0 ± 3.5

0.0974

FEV1/FVC (%)

77.9 ± 4.1

79.1 ± 10.1

61.7 ± 6.5

59.9 ± 7.1

0.0000

FEV1 (% ref)

97.3 ± 8.1

95.1 ± 7.5

77.1 ± 13.0

77.3 ± 18.3

0.0001

DLCO (% ref.)

78.3 ± 16.2

78.9 ± 11.4

61.6 ± 9.6

71.4 ± 14.7

0.0021

WBC 10^9/L

7.5 ± 2.1

9.3 ± 4.01

6.5 ± 2.2

8.6 ± 2. 2

0.0193

Abs Neutrophil count (10^9/L)

5.0 ± 2.1

6.1 ± 4.0

4.0 ± 1.6

5.5 ± 1.8

0.0448

hsCRP mg/dl

0.72 ± 0.96

8.56 ± 18.09

0.62 ± 0.98

2.43 ± 4.94

0.0954

  1. FS Former smokers, CS Current smokers, WBC white blood cell count, hsCRP high sensitivity C Reactive Protein, BMI Body Mass Index, FEV 1 Forced expiratory volume 1 s, FVC forced vital capacity
  2. P value of the kruskall wallis or chi square test