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Radiographic and Health Assessment Questionnaire (HAQ) scores at baseline and after three, five and 10 years of follow-up (mean ± SD)
| Baseline n = 112 | 3 years n = 110 | 5 years n = 106 | 10 years n = 112 | |
| Erosion score | 3.0 ± 5.7 | 4.8 ± 7.7 | 6.7 ± 9.9 | 18.4 ± 26.5 |
| Joint narrowing score | 2.7 ± 4.9 | 4.7 ± 8.6 | 10.5 ± 14.9 | 17.0 ± 21.2 |
| Total Sharp score | 5.8 ± 9.0 | 9.5 ± 14.9 | 17.3 ± 22.4 | 35.4 ± 46.1 |
| HAQ score | 1.29 ± 0.71 | 0.53 ± 0.62 | 0.57 ± 0.62 | 0.75 ± 0.71 |
