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Table 5 Logistic regression for 5-year radiographic damage according to categories of baseline anti-CCP titer

From: Long-term stability of anti-cyclic citrullinated peptide antibody status in patients with early inflammatory polyarthritis

Anti-CCP titer Erosions Larsen score ≥ 15
  No with erosions/total in group (%) OR (95% CI) P value Adjusted OR (95% CI)a P valuea No with Larsen ≥ 15/total in group (%) OR (95% CI) P value Adjusted OR (95% CI)a P valuea
≤ 2 85/324 (26%) Ref - Ref - 47/323 (15%) Ref - Ref -
> 2 to 5 14/25 (56%) 3.6 (1.5, 8.3) 0.003 3.4 (1.2, 9.8) 0.02 11/25 (44%) 4.6 (1.9, 11) 0.0001 4.3 (1.4, 13) 0.009
> 5 to 20 16/22 (73%) 7.5 (2.7, 20) < 0.0001 3.8 (1.3, 12) 0.02 14/22 (64%) 10.3 (3.9, 27) < 0.0001 5.3 (1.7, 16) 0.003
> 20 94/116 (81%) 12.4 (6.6, 22) < 0.0001 9.0
(4.4, 18)
< 0.0001 77/115 (67%) 11.9 (6.7, 21) < 0.0001 9.7 (4.7, 20) < 0.0001
  1. aAdjusted for age, gender, symptom duration and CRP, RF, HAQ, and swollen- and tender-joint counts at baseline. CI, confidence interval; OR, odds ratio.