Table 3 Pairwise comparisons of the association between change in periodontal disease status and risk of incident atrial fibrillation

Periodontal disease -recovered vs. Periodontal disease-free (reference)

1.07 (1.03,1.10)

 < 0.001

0.99 (0.96,1.03)

0.646

Periodontal disease-developed vs. Periodontal disease-free (reference)

1.10 (1.06,1.10)

 < 0.001

1.04 (1.01,1.08)

0.035

Periodontal disease-recovered vs. Periodontal disease-chronic (reference)

0.89 (0.86,0.93)

 < 0.001

0.97 (0.94,0.99)

0.045

Periodontal disease-developed vs. Periodontal disease-chronic (reference)

0.92 (0.89,0.96)

 < 0.001

1.00 (0.96,1.03)

0.906