Table 5.
Univariate regression analysis to identify variables predicting high sUA in asthmatic patients (n=120)
| Variable | β | t | P-value |
|---|---|---|---|
| Age, years | 0.02 | 0.25 | 0.806 |
| Sex | 0.26 | 2.94 | <0.004 |
| BMI (kg/m2) | 0.07 | 0.77 | 0.441 |
| Smoking index | 0.29 | 3.31 | <0.001 |
| Degree of severity of asthma | 0.60 | 8.25 | <0.001 |
| Number of asthma exacerbations | 0.42 | 5.05 | <0.001 |
| Duration of asthma | 0.15 | 1.64 | 0.105 |
| FVC% | −0.46 | −5.66 | <0.001 |
| FEV1% predicted | −0.44 | −5.37 | <0.001 |
| PEFR% | −0.66 | −9.53 | <0.001 |
| Oxygen saturation (%) | −0.48 | −5.94 | <0.001 |
| PaO2 | −0.29 | −3.29 | <0.001 |
Abbreviations: sUA, serum uric acid; BMI, body mass index; FVC%, percent predicted forced vital capacity; FEV1%, forced expiratory volume in 1 second; PEFR%, peak expiratory flow rate percent of predicted; PaO2, partial pressure of arterial oxygen.