Table 1.

Frequency of clinically diagnosed and assumed periodontitis among diabetes types

Diabetes type	T1DM		T2DM
Clinically diagnosed periodontitis (CPI; n (%))	48/80 (60.0%)		228/381 (59.8%)
Clinically diagnosed periodontitis (CPI; n (%)), by sex	♂: 26/39 (66.7%)	♀: 22/41 (53.7%)	♂: 129/199 (64.8%) *	♀: 99/182 (54.4%) *
Assumed periodontitis (AAP risk score; n (%))	106/169 (62.7%)		680/1011 (67.3%)
Assumed periodontitis (AAP risk score; n (%)), by sex	♂: 70/93 (75.3%) ***	♀: 36/76 (47.4%) ***	♂: 413/554 (74.5%) ***	♀: 267/457 (58.4%) ***

AAP risk score by the American Association of Periodontology; CPI Community Parodontal Index; clinically diagnosed periodontitis: CPI > 2; assumed periodontitis: modified AAP risk score > 21 points; two-sided X² tests comparing sexes are significant with * p < 0.05; ** p < 0.01; *** p < 0.001