Description of US enthesis abnormalities: number (%) on 402 patients
| Superior patellar ligament | Inferior patellar ligament | Lateral epicondyle | Achilles enthesis | |
| Abnormal thickness | ||||
| Unilateral Bilateral | 25 (6.5) 15 (3.9) | 24 (6.3) 6 (1.6) | 10 (2.6) 8 (2.1) | 27 (7.1) 12 (3.1) |
| Bone erosions | ||||
| Unilateral Bilateral | 12 (3.1) 5 (1.3) | 14 (3.6) 3 (0.8) | 6 (1.6) 5 (1.3) | 22 (5.5) 4 (1.0) |
| Calcifications | ||||
| Unilateral Bilateral | 18 (4.7) 5 (1.3) | 30 (7.8) 7 (1.8) | 26 (6.8) 10 (2.6) | 18 (4.7) 7 (1.8) |
| Enthesophytes | ||||
| Unilateral Bilateral | 17 (4.4) 4 (1.0) | 16 (4.2) 0 (0.0) | 18 (4.7) 7 (1.8) | 36 (9.0) 37 (9.2) |
| Doppler signal | ||||
| Unilateral Bilateral | 12 (3.1) 1 (0.3) | 21 (5.2) 6 (1.5) | 12 (3.1) 7 (1.7) | 13 (3.2) 2 (0.5) |
| Bursitis | NA | NA | NA | |
| Unilateral Bilateral | 30 (7.5) 11 (2.7) |
NA, not assessed; US, ultrasound.