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Table 1 Summary of patient demographics

From: Dietary ω-6 polyunsaturated fatty acid arachidonic acid increases inflammation, but inhibits ECM protein expression in COPD

All patients n = 82
  Non-COPD (n = 50) COPD (n = 32)
Characteristics Resection for thoracic malignancy (n = 17) End stage lung disease other than COPD (n = 33)  
Pathology 1. IPF (n = 17) (51.5%) 2. Pulmonary hypertension (n = 4) (12.1%) 3. Eisenmenger’s syndrome (n = 2) (6.1%) 4. BOS (n = 2) (6.1%) 5. Bronchiectasis (n = 2) (6.1%) 6. Other (n = 6) (18.2%) 1. Emphysema or COPD (n = 28) (87.5%) 2. α1-antitrypsin deficiency (n = 4) (12.5%)
Sex (n) Female/Male 13/4 11/22 13/19
Mean age (years) (SD) 61.0 (9.7) 55.5 (13.4) 59.1 (8.7)
Mean BMI (kg/m2)(SD) 25.0 (5.2) 25.4 (5.3) 23.8 (4.0)
Smokers/non-smokers/unk (% smokers) 12/2/3 (70.5%) 15/9/9 (45%) 28/2/2 (87.5%)
  1. COPD Chronic obstructive pulmonary disease, IPF Idiopathic pulmonary fibrosis, BOS Bronchiolitis obliterans syndrome, unk data Unknown, SD Standard deviation, BMI Body mass index