Table 2

Mean (SE) bronchoalveolar lavage cellular analysis

ParametersGroup IGroup IIp value2-151 ΔCI
Volume retrieved (ml)163 (2)135 (8)<0.0012813 to 43
Total cells (×103/ml BAL fluid)122 (9)163 (25)0.1141−7 to 89
% Macrophages90 (1)80 (3)<0.01104.3 to 15.7
Macrophages (×103/ml BAL fluid)110 (9)129 (21)NS19−23 to 61
% Lymphocytes8.3 (0.9)17.0 (3.3)<0.058.72.7 to 14.7
Lymphocytes (×103/ml BAL fluid)10.2 (1.5)28.7 (6.2)<0.0118.56.6 to 30.4
% Neutrophils1.2 (0.2)2.7 (0.7)0.031.50.2 to 2.8
Neutrophils (×103/ml BAL fluid)1.5 (0.2)4.5 (1.6)<0.053.00.2 to 5.8
% Eosinophils0.3 (0.1)0.2 (0.1)NS0.1−0.2 to 0.4
Eosinophils (×103/ml BAL fluid)0.3 (0.1)0.3 (0.1)NS0−0.3 to 0.3
Total protein (μg/ml)77 (4)111 (8)<0.0013418 to 50
  • 2-150 BAL fluid = bronchoalveolar lavage supernatant fluid.

  • 2-151 p value for group I versus group II (two tailed Student’s independent t test).