title: [Investigation and analysis of the diagnostic status of bronchial asthma].
abstract: OBJECTIVE
  The aim of this study was to investigate the rate of delayed diagnosis of the bronchial asthma and related factors.
  
  
  METHODS
  57 asthmatic outpatients were investigated randomly by questionnaire including main symptoms of asthmatic attack, the date of initial attack, the date of initial visit physician, and initial diagnosis, the basis of diagnosis and the names of misdiagnosed diseases. Then according to the above-mentioned data the duration of delayed diagnosis, the rate of delayed diagnosis were calculated.
  
  
  RESULTS
  96% of outpatients saw physician within 1 yr. after initial attack. The duration from initial visit to making diagnosis were 11.1 +/- 2.3, and 1.5 +/- 0.3 yr. before and after 1980, respectively, and their rate of delayed diagnosis were 75%, 15%, respectively. Both of their differences were statistically significant (P < 0.01). Only 20% of diagnosis of asthma was by pulmonary function test.
  
  
  CONCLUSIONS
  The majority of the delayed diagnosis should be due to making the mis-understanding and underattention of physician to the asthma, and their diagnostic levels should need further improving.
authors.affiliation: Department of Respiratory Medicine, People's Hospital, Beijing Medical University, Beijing 100044.
authors.forename: S
authors.initials: S
authors.lastname: Mu
authors.forename: Q
authors.initials: Q
authors.lastname: He
authors.forename: Y
authors.initials: Y
authors.lastname: Chen
mesh_terms: D000328:Adult; D000368:Aged; D001249:Asthma / Q000175:diagnosis*; D001991:Bronchitis / Q000175:diagnosis; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011897:Random Allocation; D012189:Retrospective Studies; D011795:Surveys and Questionnaires