Table 4 Relationship between creatinine clearance levels and the number of tophi: Poisson regression analysis
Creatinine clearance (ml/min) | Unadjusted relative risk estimate (95% CI) | Unadjusted P | Multivariate* adjusted relative risk estimate (95% CI) | Multivariate* adjusted P |
|---|---|---|---|---|
>90 | 1.0 (ref) | - | 1.0 (ref) | - |
>60-90 | 2.6 (1.1-5.9) | 0.025 | 2.5 (1.1-5.8) | 0.031 |
>30-60 | 7.2 (3.3-15.7) | <0.001 | 6.1 (2.8-13.7) | <0.001 |
0-30 | 14.7 (6.6-32.9) | <0.001 | 12.0 (5.2-27.7) | <0.001 |