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Table 1 Anthropometric characteristics and pulmonary function data of human subjects

From: Accumulation of metals in GOLD4 COPD lungs is associated with decreased CFTR levels

Variables

GOLD 0

GOLD 4

p value

 

(n = 9)

(n = 11)

 

Age, years

65.1 ± 7.4

55.5 ± 1.9

0.09 (n.s.)

Male/Female gender

5/3

4/6

-

Smoking, pack-year

22.5 ± 12.1

58 ± 10.8

0.02*

Stop years

32.8 ± 8.9

7.2 ± 7.7

3.4 × 10−6**

FEV1, % predicted

103.4 ± 7.3

18.1 ± 1.2

3.47 × 10−10**

FVC, % predicted

100.8 ± 8.1

48.5 ± 3.7

6 × 10−10**

FEV1/FVC

75 ± 1.9

32 ± 3.9

4 × 10−8**

  1. Data are presented as mean ± SEM; n.s., non significant; *p < 0.05, **p < 0.01.