Parameters Control (n=122) Arsenic exposed (n=145)
Total cells/hpf 56.5±19.6 78.3±28.4*
Neutrophil/hpf 49.8±15.2 63.9±22.6 *
Eosinophil/hpf 0.3±0.1 1.5±0.4*
Lymphocyte/hpf 3.2±0.8 5.9±1.8*
Alveolar macrophage/hpf 2.7±0.7 5.1±1.6*
Non-squamous epithelial cells/hpf 0.4±0.2 1.8±0.6*
Results are mean ± SD; *p<0.05 compared with control in Student’s t-test;, hpf, high power field of microscope (400x)
Table 3: Differential distribution of cells in sputum.