Table 2

Mean (SE) concentrations of transferrin in bronchoalveolar lavage fluid (BALF) and epithelial lining fluid (ELF) in lung diseases

μg/ml BALFμg/μg BALF albuminμg/ml ELFmg/g total BALF proteinRatio BALF/serum (×10−3)
Controls3.0 (0.4)15 0.2 (0.0)15 622.2 (166.5)15 39.6 (5.6)7 5.3 (0.9)21
2.5 (0.7)7 0.1 (0.0)17 342.2 (42.1)19
0–5.716a0.1 (0.1)b 18 409.7 (64.4)20
2.8–0.72-a
4.8 (1.4)24
Asymptomatic smokers4.2 (1.2)7 65.9 (14.2)7
2.8 (0.3)23
Symptomatic smokers1.7 (0.4)15 0.1 (0.0)15 433.6 (168.8)15 35.1 (5.1)7
4.0 (0.8)7 0.1 (0.0)17
2.4 (0.3)23
Pneumocystis carinii pneumonia6.9 (2.8)24 0.1 (0.0)24 6.3 (0.6)21
Toxic oil syndrome0.1 (0.0)b 18
Sarcoidosis34.9 (14.7)24 0.1 (0.0)24
2.0–22.5a 16
Extrinsic allergic alveolitis20.7 (9.40)24 0.1 (0.0)24
Cryptogenic fibrosing alveolitis4.6 (0.9)24 0.1 (0.0)24
Adenocarcinomatous infiltration of the lung12.1 (1.9)24 0.1 (0.0)24
Tuberculosis7.17 (1.57)24 0.1 (0.0)24
Chronic obstructive pulmonary disease1.5 (0.2)25
Adult respiratory distress syndrome15.7 (2.0)25
  • 2-a Range.

  • 2-b Mean (SD).

  • Superscript numbers are reference numbers.