Table 2

Prevalence and number per patient of US abnormalities in patients with gout and controls

US abnormalitiesPatients with goutControlsp Value
IA or IB HAGs, n (%)78 (85.7%)11 (26.2%)<0.0005
Number of IA or IB HAGs, mean (SD) (range)3.9 (3.0) (1–17)1.4 (0.7) (1–3)<0.0005
Tendon/ligament HAGs, n (%)58 (63.7%)4 (9.5%)<0.0005
Number of tendon/ligament HAGs, mean (SD) (range)2.3 (1.5) (1–6)1.3 (0.5) (1–2)0.136
Tendon HLBs, n (%)51 (56%)11 (26.2%)0.001
Number of tendon HLBs, mean (SD) (range)2.0 (1.3) (1–8)1.5 (0.7) (1–3)0.215
Cartilage DCS, n (%)68 (74.7%)7 (16.7%)<0.0005
Number of cartilage DCS, mean (SD) (range)3.1 (2.3) (1–12)1.0 (0.0) (1–1)0.001
  • DCS, double contour sign; IA, intra-articular; IB, intrabursal; HAG, hyperechoic aggregate; HLB, hyperechoic linear band; US, ultrasound.