Association between PTI, synovitis, MASEI, and PD subtype.
| PTI PD | Synovitis PD | PTI Greyscale | Synovitis Greyscale | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Present | Absent | p | Present | Absent | p | Present | Absent | p | Present | Absent | p | |
| MASEI | 32.44 ± 15.62 | 27 ± 9.33 | 0.270 | 32 ± 16.16 | 27.89 ± 7.72 | 0.380 | 33.15 ± 15.49 | 24.6 ± 6.43 | 0.054 | 30.78 ± 14.54 | 29.75 ± 11.02 | 0.876 |
| Structure MASEI | 7.27 ± 2.90 | 7.33 ± 2.95 | 0.964 | 7.33 ± 3 | 7.22 ± 2.72 | 0.924 | 7.52 ± 3.02 | 6.75 ± 2.54 | 0.505 | 7.26 ± 2.84 | 7.5 ± 3.41 | 0.902 |
| Thickness MASEI | 5.5 ± 3.34 | 5.66 ± 3.42 | 0.906 | 5.88 ± 3.12 | 4.88 ± 3.75 | 0.503 | 5.84 ± 3.57 | 4.87 ± 2.64 | 0.447 | 5.34 ± 3.25 | 6.75 ± 3.86 | 0.533 |
| Erosion MASEI | 2.83 ± 5.19 | 0.66 ± 2 | 0.133 | 2.66 ± 5.23 | 1 ± 2.12 | 0.253 | 3 ± 5.09 | 0 ± 0 | 0.019 | 2.08 ± 4.73 | 2.25 ± 2.87 | 0.928 |
| Calcification MASEI | 6.44 ± 2.57 | 7.33 ± 3.12 | 0.473 | 6.77 ± 2.81 | 6.66 ± 2.73 | 0.923 | 6.68 ± 2.70 | 6.87 ± 2.99 | 0.879 | 6.69 ± 2.8 | 7 ± 2.7 | 0.846 |
| Bursa MASEI | 0.22 ± 0.54 | 0.55 ± 0.52 | 0.145 | 0.22 ± 0.54 | 0.55 ± 0.52 | 0.145 | 0.21 ± 0.53 | 0.62 ± 0.51 | 0.082 | 0.34 ± 0.57 | 0.25 ± 0.5 | 0.740 |
| PD MASEI | 8 ± 6 | 3.67 ± 3.28 | 0.023 | 6.83 ± 6.15 | 6 ± 4.5 | 0.694 | 7.73 ± 5.94 | 3.75 ± 3.49 | 0.041 | 6.91 ± 5.89 | 4.5 ± 3 | 0.249 |
| PD OMERACT | 1.61 ± 1.33 | 0.56 ± 1.01 | 0.033 | 1.39 ± 1.46 | 1 ± 1 | 0.426 | 1.57 ± 1.30 | 0.5 ± 1.06 | 0.040 | 1.26 ± 1.35 | 1.25 ± 1.25 | 0.988 |
Results expressed as mean ± SD. P values in bold face (< 0.05) considered statistically significant. PTI: peritenon extensor tendon inflammation; MASEI: Madrid Sonographic Enthesis Index; PD: power Doppler; OMERACT: Outcome Measures in Rheumatology.