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Radiographic assessment of each cluster.
| Variables | Cluster 1 | Cluster 2 | Cluster 3 | P |
|---|---|---|---|---|
| K-L grade | ||||
| 1, n (%) | 9 (32) | 9 (47) | 21 (39) | 0.629 |
| 2, n (%) | 6 (22) | 3 (16) | 15 (28) | |
| 3, n (%) | 9 (32) | 5 (26) | 13 (24) | |
| 4, n (%) | 4 (14) | 2 (11) | 5 (9) | |
|
| ||||
| mJSW, mean ± SD | 3.3 ± 1.2 | 2.9 ± 1.4 | 2.9 ± 1.6 | 0.477 |
There were no significant differences in K-L grade and mJSW between each cluster. HOA, hip osteoarthritis; KOA, knee osteoarthritis; K-L, Kellgren–Lawrence; mJSW, minimum joint space width.
