Origin of ultrasound operators
|
Origin of patients’ data
|
Mean thickness of synovium (mm) - gray-scale US
|
p value (between values according to origin of patients’ data)
|
Mean count of color Doppler pixels
|
p value (between values according to origin of patients’ data)
|
---|
Canada
|
Canada
|
2.1
|
P < 0.0001
|
930
|
P = 0.003
|
Canada
|
China
|
4.1
| |
3,633
| |
China
|
Canada
|
2.0
|
P < 0.0001
|
868
|
P = 0.002
|
China
|
China
|
3.9
| |
3,796
| |
- Single layer synovium was considered in the data analysis
- Color Doppler pixel count was used as an outcome of synovial vascularity
- US, ultrasound. p values < 0.05 were considered statistically significant