Research Article

Nasal Cytology: A Comparative Study of Two Different Techniques of Processing—Smeared versus Cytocentrifuged Slides

Table 3

Distribution of inflammatory cell percentages in smeared (SS) and cytocentrifuged (CS) slides according to sex, smoking habit, and presence of nasal polyps. Mann–Whitney statistical test was used to evaluate differences between groups.

Neutrophils (%), in CSNeutrophils (%), in SS

Males13.4 (0–87)16.0 (0–97)
Females1.1 (0–91)2.1 (0–94)


Smokers/ex-smokers8.7 (0–91)13.0 (0–97)
Nonsmokers1.2 (0–86)3.1 (0–87)


Eosinophils (%), in CSEosinophils (%), in SS

With polyps0.4 (0–74)0.4 (0–34)
Without polyps0 (0–38)0 (0–27)


CS: cytocentrifuged slides; SS: smeared slides.