Table 3 Odds ratios for the association of positive symptoms with a diagnosis of asthma
From: Asthma in an Urban Population in Portugal: A prevalence study
From the patients' questionnaire, the following items were positive: | Asthma cases (n = 59) | Doubtful cases (n = 39) | O.R. (95% CI) |
|---|---|---|---|
Any history of wheezing | 57 (96%) | 38 (97%) | |
Wheezing in the last 12 months | 40 (67%) | 22 (26%) | |
Wheezing after exercise | 19 (32%) | 4 (10%) | 4.2 (1.2-18.1) |
Wake up from wheezing | 23 (39%) | 6 (15%) | 3.4 (1.1-11.7) |
Night time dry cough | 40 (67%) | 20 (51%) | |
Personal history of asthma | 45 (76%) | 8 (20%) | 12 (4.2-37.9) |
Told by a doctor they have asthma | 47 (80%) | 8 (20%) | 14.6 (5-47) |
Use of SABA in last 12 months | 29 (49%) | 1 (3%) | 35.6 (5-1358) |
Use of LABA in last 12 months | 10 (17%) | 1 (3%) | 7.6 (1.00-345) |
Use of Inhaled steroid in last 12 months | 24 (40%) | 1 (3%) | 25 (3.7-1099) |
Use of LABA-steroid in last 12 months | 4 (7%) | 1 (3%) | |
Use of leukotriene in last 12 months | 11 (19%) | 0 |