Figure 4.

Relationship between changes in dual-energy computed tomography urate volume and mean serum urate concentration with analysis using the smallest detectable change as the measurement error. Box-and-whisker plot showing mean serum urate concentrations (baseline and year 1) in patients with decreased dual-energy computed tomography (DECT) urate volumes below the smallest detectable change (SDC), changes in DECT urate volume within the SDC and increased DECT urate volume above the SDC. *P < 0.05, **P < 0.01 by Tukey’s post hoc test.

Rajan et al. Arthritis Research & Therapy 2013 15:R160   doi:10.1186/ar4343
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