. 2019 Apr 25;19:61. doi: 10.1186/s12903-019-0750-4

Table 5.

Relationship between number of lost teeth and incidence of dementia by age group

Age	Tooth lost	Odds Ratio	95% Wald Confidence Limits		p-value
60–69	1–6	1.209	1.164	1.257	<.0001a
	7–12	1.319	1.238	1.406	<.0001^a
	≥13	1.333	1.163	1.528	<.0001^a
70–79	1–6	1.056	1.001	1.113	0.0457^a
	7–12	1.165	1.068	1.271	0.0005^a
	≥13	1.230	1.026	1.475	0.0251^a
≥80	1–6	1.288	1.101	1.506	0.0015^a
	7–12	1.522	1.161	1.994	0.0023^a
	≥13	1.864	1.027	3.383	0.0405^a

^aStatistically significant at a 95% confidence interval