title: [Range of the normal values for induced sputum cells in Silesian population].
abstract: BACKGROUND
  The induced sputum is used in the diagnosis of chronic airways diseases. Up to now there has not been performed studies in Poland describing the distribution of cells in sputum. The aim of the study was to work out the range of normal values for cells in sputum, based on a group of healthy Polish people living in Silesia region.
  
  
  METHODS
  One hundred healthy volunteers in age 17-79 without respiratory symptoms were examined. They had normal spirometry, no airways hyperresponsiveness to metacholine and no history of allergic diseases. The sputum was obtained from 85 people. Viability, total and differential cell counts was performed.
  
  
  RESULTS
  The range of the normal values for induced sputum cells was following [mean (+/- SD)]: macrophages 49.3% (11.5-77.1%), neutrophils 48.5% (9.6-87.2%), eosinophils 0.8% (<4.8), lymphocytes 1.4% (<4.2%). Smoking and age of subjects influenced the number and percentage of cells in sputum.
  
  
  CONCLUSIONS
  Finding of high percentage of eosinophils (>4.8%) in sputum may be helpful in the diagnosis of asthma. Counting of neutrophils and other cells is of limited practical value. E.S.; G.G.; A.S.; A.B.; W.P. Range of the normal value for induced sputum cells in people living in Silesian region.
authors.affiliation: Z Katedry i Kliniki Pneumonologii Slaskiej Akademii Medycznej w Katowicach.
authors.forename: Ewa
authors.initials: E
authors.lastname: Sozańska
authors.forename: Grzegorz
authors.initials: G
authors.lastname: Gasior
authors.forename: Aleksandra
authors.initials: A
authors.lastname: Semik
authors.forename: Adam
authors.initials: A
authors.lastname: Barczyk
authors.forename: Władysław
authors.initials: W
authors.lastname: Pierzchała
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002452:Cell Count; D004804:Eosinophils / Q000166:cytology*; D006801:Humans; D008214:Lymphocytes / Q000166:cytology*; D008264:Macrophages / Q000166:cytology*; D008875:Middle Aged; D009504:Neutrophils / Q000166:cytology*; D011044:Poland; D044382:Population Groups; D012016:Reference Values; D012907:Smoking / Q000473:pathology; D013183:Sputum / Q000166:cytology*