PDUS Findings | Patients with PsA, n (%) | Patients with FM, n (%) | p | Sites in Patients with PsA, n (%) | Sites in Patients with FM, n (%) | p |
---|---|---|---|---|---|---|
Enthesopathy | 30 (100) | 24 (80) | 0.01 | 172 (41) | 87 (20.7) | 0.001 |
Inflammatory lesions | 21 (70) | 7 (23.3) | 0.001 | 71 (16.9) | 13 (3.1) | 0.001 |
Hypoechogenicity | 13 (43.3) | 2 (6.7) | 0.01 | 18 (4.3) | 2 (0.5) | 0.001 |
Erosions | 6 (20) | 0 (0) | 0.01 | 7 (1.7) | 0 (0) | 0.001 |
Entheseal PD signal | 15 (50) | 7 (23.3) | 0.03 | 36 (8.6) | 7 (1.7) | 0.001 |
PDUS: power Doppler ultrasonography; PsA: psoriatic arthritis; FM: fibromyalgia.