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Table 2 Association of binary variables with risk of RRP in RA patients

From: Assessing the risk of rapid radiographic progression in Hungarian rheumatoid arthritis patients

  RRP ≥ 40% RRP < 40% p Odds Ratio 95% CI
MTX-response (n = 1356):
Non-responders 229 (93%) 462 (42%) < 0.001 17.820 10.87–29.21
Responders 18 (7%) 647 (58%)    
Gender (n = 1356):
male 50 (20%) 158 (14%) 0.018 1.527 1.073–2.174
female 197 (80%) 951 (86%)    
ACPA status (n = 1221):
positive 186 (83%) 697 (70%) < 0.001 2.107 1.449–3.063
negative 38 (17%) 300 (30%)    
Presence of erosions (n = 1204):
yes 159 (70%) 612 (63%) 0.046 1.371 1.004–1.870
no 69 (30%) 364 (37%)    
Current smoking (n = 1034):
yes 70 (34%) 195 (24%) 0.003 1.656 1.191–2.303
no 137 (66%) 632 (76%)