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Table 3 Relationship between creatinine clearance bands and the presence of tophi: logistic regression analysis

From: Reduced creatinine clearance is associated with early development of subcutaneous tophi in people with gout

Creatinine clearance (ml/min) No tophi (n = 243), n (%) Tophi (n = 47), n (%) Unadjusted odds ratio (95% CI) Unadjusted P Multivariate* adjusted odds ratio (95% CI) Multivariate* adjusted P
>90 63 (25.9%) 4 (9%) 1.0 (ref) - 1.0 (ref) -
>60-90 90 (37.0%) 14 (30%) 2.4 (0.8-7.8) 0.13 2.2 (0.7-7.3) 0.19
>30-60 74 (30.5%) 19 (40%) 4.1 (1.3-12.7) 0.015 3.0 (0.9-10.0) 0.07
0-30 16 (6.6%) 10 (21%) 9.7 (2.7-35.0) 0.001 7.0 (1.8-27.6) 0.005
  1. *adjusted for ethnicity, corticosteroid use, diuretic use and colchicine use.