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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