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Fig. 1 | Arthritis Research & Therapy

Fig. 1

From: Association between severity of periodontitis and clinical activity in rheumatoid arthritis patients: a case–control study

Fig. 1

Periodontitis severity in relation to RA clinical activity. Stacked bar graph showing percentage of RA patients presenting no or mild (Level 0/1) and severe (Level 2) periodontitis with respect to RA clinical activity categorized by combined index as remission, low, moderate or high. Numbers in columns represent number of patients in each situation. p = 0.0026 by chi-squared test, Kendall’s tau-b = 0.209

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