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Table 1 Patient characteristics

From: The composition of the pulmonary microbiota in sarcoidosis – an observational study

Clinical characteristics

Sarcoidosis

Interstitial lung disease

p-value

Number of subjects, n (%)

31 (62%)

19 (38%)

Female, n (%)

14 (45%)

8 (42%)

Male, n (%)

17 (55%)

11 (58%)

Age (years), median (range)

51 (22–79)

66 (57–82)

0.0003

Smoking

 Non-smokers, n (%)

18 (58%)

6 (31.5%)

0.06

 Current-smokers, n (%)

7 (22.5%)

2 (10.5%)

0.25

 Former-smokers, n (%)

6 (19.5%)

9 (47%)

0.05

BMI, median (range)

27 (17–37.1)

24.7 (16.8–34.9)

0.5

Pulmonary function test

 FEV1%, median (range)

81.5 (61.5–126.8)

66.8 (49–109.6)

0.66

 FEV1/VC, median (range)

79.8 (66.2–86.5)

85.7 (61.4–108.8)

0.02

 TLC (l), median (range)

5.54 (4.17–8.38)

4.2 (2.56–7.99)

0.26

 ERV (l), median (range)

0.78 (0.21–1.39)

0.55 (0.12–1.97)

0.89

 RV (l), median (range)

2.12 (1.12–4.54)

1.76 (1.41–2.87)

0.60

 VC (l), median (range)

3.34 (1.9–5.61)

2.34 (0.88–5.6)

0.26

Bronchoscopy, BAL

 BAL recovery %, median

50

55

 

 Neutrophils %, median

9

14

0.05

 Macrophages %, median

49

62

0.01

 Lymphocytes %, median

38

25.5

0.02

 Eosinophils %, median

1

2

0.19

 Basophils %, median

0

0

 

 CD4/CD8 ratio, median

3.2

0.8

0.03

Laboratory

 CRP mg/dl, median (range)

4.2 (0.4–83.9)

5.4 (0.6–326.3)

0.44

Leukocytes (1/μl), median (range)

5.65 (3–13.8)

7.55 (3.4–13.9) 0.12