|
Ultrasonic features
|
Prevalence
|
Missing values (n)
|
|---|
|
Detection of at least one US tophus
|
34 (53.1%)
| |
|
Localisation of the largest US tophus
|
|
Right MTP
|
17 (50%)
| |
|
Left MTP
|
9 (26.5%)
| |
|
Right ankle
|
0 (0%)
| |
|
Left ankle
|
1 (2.9%)
| |
|
Right knee
|
1 (2.9%)
| |
|
Left knee
|
6 (17.6%)
| |
|
US tophus volume (cm3)
|
2.5 ± 6.5
| |
|
At least one joint with positive DC sign
|
61 (95.3%)
| |
|
Localisation of DC signs
|
|
Right MTP
|
48 (81.3%)
|
2
|
|
Left MTP
|
51 (86.4%)
|
2
|
|
Right TC
|
16 (26.7%)
|
1
|
|
Left TC
|
18 (30%)
|
1
|
|
Right FP
|
16 (25%)
| |
|
Left FP
|
14 (21.9%)
| |
- Quantitative variables are expressed as mean ± standard deviation, and qualitative variables as number (percentage). MTP metatarsophalangeal joint, TC talo-crural joint, FP femoro-patellar joint
