Classifying asthma severity: prospective symptom diary or retrospective symptom recall?
We used an observational within-subject control study at an inner-city school to compare asthma severity classification obtained by retrospective symptom recall with that obtained by a prospective symptom diary. The prospective symptom diary identified a higher proportion of persistent asthmatics than the retrospective symptom recall.
Reznik
Marina
M
Albert Einstein College of Medicine, Children's Hospital at Montefiore, Bronx, New York 10467, USA.
Sharif
Iman
I
Ozuah
Philip O
PO
D000293:Adolescent; D001249:Asthma / Q000145:classification*; D005260:Female; D006801:Humans; D008297:Male; D011939:Mental Recall; D011446:Prospective Studies; D012189:Retrospective Studies; D012720:Severity of Illness Index