Table 3. Classification of the Infraspinatus in the Long and Short Axes Using the Three-Point Ultrasound and Three-Point MRI Grading Systems.
| Infraspinatus | US grade | MRI grade | |||
|---|---|---|---|---|---|
| 0 (Goutallier 0, 1) | 1 (Goutallier 2) | 2 (Goutallier 3, 4) | Total | ||
| Long axis | |||||
| Echogenicity | 0 | 47 | 16 | 0 | 63 |
| 1 | 15 | 16 | 3 | 34 | |
| 2 | 0 | 4 | 5 | 9 | |
| Total | 62 | 36 | 8 | 106 | |
| Architecture | 0 | 54 | 23 | 0 | 77 |
| 1 | 8 | 11 | 5 | 24 | |
| 2 | 0 | 2 | 3 | 5 | |
| Total | 62 | 36 | 8 | 106 | |
| Short axis | |||||
| Echogenicity | 0 | 49 | 14 | 0 | 63 |
| 1 | 13 | 19 | 4 | 36 | |
| 2 | 0 | 3 | 4 | 7 | |
| Total | 62 | 26 | 8 | 106 | |
| Architecture | 0 | 54 | 10 | 0 | 64 |
| 1 | 7 | 24 | 2 | 33 | |
| 2 | 1 | 2 | 6 | 9 | |
| Total | 62 | 36 | 8 | 106 | |
MRI: magnetic resonance imaging, US: ultrasonography.