Table 2. Association of serum uric acid level with clinical cofounders.
| Variables | rs coefficient | P value |
|---|---|---|
| Age, yr | −0.123 | 0.057 |
| BMI, kg/m2 | 0.213 | 0.001 |
| Charlson comorbidity score | −0.021 | 0.747 |
| SGRQ | −0.037 | 0.568 |
| Protein, g/dL | 0.186 | 0.004 |
| CrCl, mL/min | −0.014 | 0.833 |
| NLR | −0.211 | 0.001 |
| FEV1, % predicted | 0.072 | 0.267 |
| DLCO, % predicted | 0.032 | 0.624 |
| 6MWD, m | 0.118 | 0.071 |
rs = Spearman's rank correlation coefficient, BMI = body mass index, SGRQ = St. George's Respiratory, CrCl = creatinine clearance estimate by Cockcroft-Gault Equation, NLR = neutrophil-lymphocyte ratio, FEV1 = forced expiratory volume in 1 second, DLCO = diffusing capacity of the lung for carbon monoxide, 6MWD = 6-minute walk distance.