B mode synovitis grade (r) | B mode synovial thickness (r) | Power Doppler grade (r) | |
Superior | |||
Histological inflammation score | 0.48† | 0.35 | 0.27 |
Histological lining layer thickness score | 0.48† | 0.44† | 0.23 |
Histological vascularisation score | 0.42 | 0.38 | 0.17 |
CD68 score | 0.42† | 0.37 | 0.20 |
FVIII score | 0.38 | 0.18 | 0.27 |
Medial | |||
Histological inflammation score | 0.24 | 0.26 | 0.11 |
Histological lining layer thickness score | 0.53* | 0.44† | 0.22 |
Histological vascularisation score | 0.23 | 0.16 | 0.13 |
CD68 score | 0.45† | 0.49† | 0.52* |
FVIII score | 0.27 | 0.15 | 0.22 |
Lateral | |||
Histological inflammation score | 0.67* | 0.69* | 0.65* |
Histological lining layer thickness score | 0.55* | 0.69* | 0.66* |
Histological vascularisation score | 0.77* | 0.88** | 0.61* |
CD68 score | 0.50† | 0.48* | 0.30 |
FVIII score | 0.78* | 0.84* | 0.74* |
Overall median scores | |||
Histological inflammation score | 0.63* | 0.65** | 0.62* |
Histological lining layer thickness score | 0.64* | 0.61* | 0.77** |
Histological vascularisation score | 0.60* | 0.57* | 0.68** |
CD68 score | 0.49* | 0.59* | 0.63* |
FVIII score | 0.36 | 0.41† | 0.33 |
†P<0.1; *P<0.05; **P<0.001; ***P<0.0001.
FVIII, factor VIII staining; r, correlation coefficient.