title: Perception of asthma.
abstract: Subjective assessment and objective measurements of airways obstruction were compared in 82 patients during methacholine-induced asthma. 15% of the patients were unable to sense the presence of marked airways obstruction (forced expired volume in 1 s less than 50% of the predicted normal value). These subjects could not be characterised as a distinct group on the basis of their sex, age, or duration of their asthma. This reinforces the need for objective measurement of lung function in the management of asthma.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000175:diagnosis* / Q000503:physiopathology; D001249:Asthma / Q000139:chemically induced / Q000175:diagnosis* / Q000503:physiopathology; D005069:Evaluation Studies as Topic; D005260:Female; D005541:Forced Expiratory Volume; D006801:Humans; D008297:Male; D008688:Methacholine Compounds; D008875:Middle Aged; D010349:Patient Compliance; D010465:Perception; D013997:Time Factors; D014797:Vital Capacity
chemical_list: D008688:Methacholine Compounds