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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