Table 5.
Disease severity characteristics in patients sub groups.
| Parameter | YORA I (16–40) Y N = 298 | YORA II (41–60) Y N = 539 | EORA >60 Y N = 348 |
|---|---|---|---|
| Number and % | Number and % | Number and % | |
| X-ray bone erosions | (118) 39.6% | 193 (35.8%) | 94 (27.01%) |
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