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Table 3 Dual-energy computed tomography (DECT) volume measurements of urate deposits and tophi expressed in cm3

From: Ultrasonography and dual-energy computed tomography provide different quantification of urate burden in gout: results from a cross-sectional study

DECT features Total population Patients with US tophi Patients without US tophi
(N = 64) (N = 34) (N = 30)
Volume of urate deposition of the knees 7.3 ± 31.1 12.5 ± 40.6 0.4 ± 0.6
Volume of urate deposition of the feet 5.6 ± 17.1 9.7 ± 22.4 0.7 ± 0.6
Volume of overall urate deposition 13.6 ± 48.6 22.6 ± 62.5 1.1 ± 1.2
Volume of the index tophus N/A 1.3 ± 3.2 N/A
Volume of the largest urate deposit seen by DECT 1.4 ± 5 2.6 ± 6.7 0.1 ± 0.1
  1. Variables are expressed as mean ± standard deviation. N/A not applicable