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Table 4 Association between the number of pockets ≥ 5 mm and anti-CCP antibody levels (referred to as 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
 No. of pockets ≥ 5 mm1.0100.9771.0430.560
 Gender (ref. female)1.3370.4104.3570.630
 Age0.9760.9321.0220.296
 Tobacco (ref. never)1.1440.4283.0520.789
 Disease activity (ref. remission/low)1.1960.4423.2310.725
 Disease evolution time0.9570.8831.0370.279
Moderate
 No. of pockets ≥ 5 mm1.0220.9961.0500.087
 Gender (ref. female)1.6990.6044.7770.315
 Age1.0070.9651.0510.756
 Tobacco (ref. never)0.9410.3822.3190.895
 Disease activity (ref. remission/low)1.7450.7094.2970.226
 Disease evolution time1.0120.9531.0750.689
High
 No. of pockets ≥ 5 mm1.0311.0031.0620.031
 Gender (ref. female)0.6270.1582.4830.507
 Age0.9830.9381.0300.471
 Tobacco (ref. never)0.8980.3312.4360.832
 Disease activity (ref. remission/low)2.2680.8066.3840.121
 Disease evolution time1.0320.9671.1020.345
  1. Anti-CCP anti-cyclic citrullinated peptide, OR odds ratio