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Table 4 Concordance of score and dentist’s assessment

From: A patient-reported questionnaire developed in a German early arthritis cohort to assess periodontitis in patients with rheumatoid arthritis

Classification of PD by score (age + 6 patient-reported items) Dentist’s assessment of PD
No Mild Moderate Severe Total
No 55 29 2 0 86
Mild 32 51 34 2 119
Moderate 9 21 37 19 86
Severe 0 0 1 8 9
Total 96 101 74 29 300
  1. Comparison of classification of PD with the help of the PD score and the reference standard