Table 1

Bronchoalveolar lavage fluid characteristics of the control population

ControlNonsmokersSmokers
Subjects n399
Total cell count 104 cells·mL−15.1±0.537.4±13.3#
AM %93.9±0.796.9±0.6*
Lymph. %5.2±0.72.1±0.5*
Neut. %0.8±0.10.5±0.2
Eosin. %0.01±0.030.5±0.2
AM 104 cell·mL−14.8±2.936.6±13.2#
Lymph. 104 cell·mL−10.2±0.040.6±0.2*
Neut. 104 cell·mL−10.05±0.010.11±0.05
Eosin. 104 cell·mL−10.0±0.00.2±0.1*

  • Data are presented as mean±sem

  • AM: alveolar macrophages

  • Lymph.: lymphocytes

  • Neut.: neutrophils

  • Eosin.: eosinophils

  • *: p<0.05

  • #: p<0.0001 versus nonsmokers