Table 1 Demographics, laboratory and lung function tests comparison between the sarcoidosis and control groups.

Age (yr)

39 (27-65)

42 (28-61)

0.48

ACE (U/l)

61

76

23

0.0004

Macrophages BAL/induced sputum (%)

63/36.9

34/23.7

81/45

0.0032/0.045

Lymphocytes BAL/induced sputum (%)

34/5.2

57/8.1

14/2.4

0.0002/0.0002

Neutrophils BAL/induced sputum (%)

1/54

1/63.7

1/51

0.00005/0.67

Eosynophiles BAL/induced sputum (%)

1/0

1/1

1/1

NS/NS

CD4 BAL/induced sputum (%)

59/32

20/27

36/24

0.00001/0.032

CD8 BAL/induced sputum (%)

20/14

5/21

17/11

0.350/0.46

CD4/CD8 ratio BAL/induced sputum

2.8/5.0

0.04/1.2

1.9/1.3

0.0002/0.0045

CD4/25 high/127 low BAL/induced sputum

2.3/38.3

9.5/7.1

2.1/5.3

0.7; 0.006/0.0034; 0.0043

Ca plasma mmol/l

2.4

2.2

2.3

0.7

Ca 24-h urine mmol/l

6.1

6.4

5.7

0.21