Table 2. Multivariate analysis for exacerbation in asthma patients.
| Variables | B | P | OR | 95% CI for OR | |
|---|---|---|---|---|---|
| Min | Max | ||||
| Smoking index | 0.01 | 1.01 | 1.01 | 0.99 | 1.03 |
| Age, years | 0.05 | 1.05 | 1.05 | 0.99 | 1.09 |
| BMI, kg/m2 | 0.03 | 1.03 | 1.03 | 0.92 | 1.15 |
| FEV1 | 0.73 | 2.08 | 2.08 | 0.21 | 20.90 |
| FEV1 (%pred) | −0.01 | 0.99 | 0.99 | 0.89 | 1.09 |
| PEF | −0.10 | 0.90 | 0.90 | 0.45 | 1.81 |
| PEF (%pred) | 0.02 | 1.02 | 1.02 | 0.97 | 1.07 |
| MMEF75/25 | 0.83 | 2.29 | 2.29 | 0.11 | 46.27 |
| MMEF75/25 (%pred) | −0.02 | 0.98 | 0.98 | 0.88 | 1.09 |
| FVC (%pred) | −0.006 | 0.99 | 0.99 | 0.91 | 1.08 |
| FEV1/FVC | −0.01 | 0.99 | 0.99 | 0.93 | 1.04 |
| ACQ | – | 0.03 | – | – | – |
| ACQ (well-controlled) | 0 | – | 1 | – | – |
| ACQ (partial-controlled) | 0.68 | 0.45 | 1.98 | 0.33 | 11.84 |
| ACQ (uncontrolled) | 1.85 | <0.05 | 6.34 | 1.14 | 35.21 |
| AQLQ | −0.52 | <0.05 | 0.59 | 0.35 | 0.99 |
| Constant | −2.81 | 0.44 | 0.06 | ||
Binary logistic regression was used. OR, odds ratio; CI, confidence interval; Max, maximum; Min, minimum; BMI, body mass index; FEV1, forced expiratory volume in one second; PEF, peak expiratory flow; FVC, forced vital capacity; MMEF75/25, maximal mid-expiratory flow 75/25; AQLQ, Asthma Quality of Life Questionnaire; ACQ, Asthma Control Questionnaires.