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Table 3 Gram stain results classified according to the number of epithelial cells and polymorphonuclear leucocytes judged by microscopy (100× magnification)

From: Effectiveness of expiratory technique and induced sputum in obtaining good quality sputum from patients acutely hospitalized with suspected lower respiratory tract infection: a statistical analysis plan for a randomized controlled trial

Epithelial cells

Polymorphonuclear leucocytes

< 10

10–24

≥ 25

≥ 25

   

10–24

   

< 10

   
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Trials

ISSN: 1745-6215