Table 1 Characteristics of the study population.

Gender

Male

32

(72.7)

Female

12

(27.3)

Age (years)

66.1

(7.4)

Marital status

Married

33

(75.0)

Not Married

7

(15.9)

Divorced

1

(2.4)

Widow

3

(6.8)

Educational level

No primary school

3

(6.8)

Primary school

10

(22.7)

High school

24

(54.5)

College/University

5

(11.4)

Missing

2

(4.5)

Pack years

29.3

*

(15.7-46.8)

FEV1 % predicted

44.8

(13.8)

Tiffenau

41.2

11.1

GOLD stage

I

0

(0.0)

II

13

(29.5)

III

26

(59.1)

IV

5

(11.4)

BODE score

2.9

(1.8)

CCQ Total score

2.2

(0.9)

Current exacerbation

5

(11.4)