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Table 3 Association between CAL and anti-CCP antibody levels (referred to its absence): ordinal logistic regression model

From: Association between periodontitis and anti-citrullinated protein antibodies in rheumatoid arthritis patients: a cross-sectional study

Anti-CCP levelsOR95% conf. intervalp
Low
 CAL1.2270.7422.0270.425
 Gender (ref. female)1.2670.3854.1660.697
 Age0.9690.9211.0190.214
 Tobacco (ref. never)1.0570.3832.9160.914
 Disease activity (ref. remission/low)1.1150.4033.0840.834
 Disease evolution time0.9560.8831.0360.277
Moderate
 CAL1.6571.1012.5090.017
 Gender (ref. female)1.5890.5524.5730.390
 Age0.9940.9481.0420.803
 Tobacco (ref. never)0.8070.3102.1020.661
 Disease activity (ref. remission/low)1.6010.6214.1260.330
 Disease evolution time1.0120.9521.0760.705
High
 CAL1.5931.0172.4820.043
 Gender (ref. female)0.6620.1702.5820.552
 Age0.9710.9231.0210.243
 Tobacco (ref. never)0.8500.3052.3690.756
 Disease activity (ref. remission/low)2.2100.7706.3440.141
 Disease evolution time1.0350.9691.1050.308
  1. Anti-CCP anti-cyclic citrullinated peptide, OR odds ratio