Clinically Classified Periodontitis and Its Association in Patients with Preexisting Coronary Heart Disease

Table 2

Factors associated with the presence of coronary heart disease with unadjusted and adjusted odds ratios and 95% confidence interval.

Parameters	Coronary heart disease, number of patients		OR, 95% CI; (unadjusted)		OR, 95% CI; (adjusted)
Variables	Yes	No	OR	95% CI	OR	95% CI
Gender
Males	200	1352	0.66	0.542–0.812*	1.23	0.756–1.998
Females	248	1112	1.00		1.00
Income level
High	216	1024	1.31	1.070–1.602*	1.34	0.725–2.473
Low	232	1440	1.00		1.00
Educational level
High	268	1152	1.70	1.382–2.081*	0.71	0.392–1.293
Low	180	1312	1.00		1.00
Smoking status
Smokers	352	932	6.03	4.742–7.661*	2.16	1.292–3.594*
Non-smokers	96	1532	1.00		1.00
Tooth brushing
≥2 times/day	208	1244	0.85	0.695–1.040	0.80	0.461–1.388
≤2 times/day	240	1220	1.00		1.00
Diagnosed hypertension
No	156	1680	0.25	0.202–0.308*	0.40	0.087–0.668*
Yes	292	784	1.00		1.00
Diagnosed; diabetes mellitus
No	244	1652	0.59	0.479–0.721*	0.99	0.427–2.320
Yes	204	812	1.00		1.00
Total cholesterol
Low	140	1712	0.20	0.161–0.248*	0.98	0.526–1.848
High	308	752	1.00		1.00
HDL-cholesterol
High	272	1836	0.53	0.428–0.652*	0.75	0.335–1.675
Low	176	628	1.00		1.00
Triglycerides
Low	172	1724	0.27	0.217–0.330*	0.56	0.298–1.056
High	276	740	1.00		1.00
C-reactive protein
Low	192	1592	0.41	0.335–0.504*	0.62	0.366–1.032
High	256	872	1.00		1.00
Clinically classified periodontitis
No/mild	72	528	0.63	0.476–0.844*	0.51	0.319–0.825*
Moderate	160	932	0.80	0.638–0.997	0.66	0.432–0.627*
Severe	216	1004	1.00		1.00

^∗𝑃<0.01.