Table 2.
Comparison of CT Findings of the PRUJ OA in Patients With and Without OA of the Elbow a
| Feature | OA (n = 85) | Non-OA (n = 85) | P Value |
|---|---|---|---|
| Any PRUJ OA feature | 79 (92.9) | 12 (14.1) | <.001 |
| Radial notch osteophyte | 69 (81.2) | 10 (11.8) | <.001 |
| Radial head osteophyte | 39 (45.9) | 0 (0) | <.001 |
| Joint space narrowing | 46 (54.1) | 3 (3.5) | <.001 |
| Subchondral cyst | 20 (23.5) | 1 (1.2) | <.001 |
| Loose bodies | 22 (25.9) | 0 (0) | <.001 |
a
Data are presented as n (%). Boldface P values indicate statistical significance. CT, computed tomography; OA, osteoarthritis; PRUJ, proximal radioulnar joint.