Table 2. The results of multiple logistic regression analysis of the relationship between stroke as a dependent variable and several independent variables (age, gender, pack-year smoking, education, social status, working, dental plaque, dental calculus and gingival inflammation.).

Dependent Variable	Explaining Variable	β	X2	p-value	OR (95% CI)
Stroke	Age	1.009	6.66	0.010	2.74 (1.27–5.90)
	Gingival Inflammation,GI	0.789	4.06	0.044	2.20 (1.02–4.74)

Cox & Snell 0.013 square, Nagelkerk 0.66 square