Table 3.

Ordered logistic regression analysis of the factors influencing the number of MIA component(s) (N = 254).

		Univariate model			Multivariate model*
		OR	95% CI	p-value	OR	95% CI	p-value
Periodontitis	Healthy to moderate	Ref			Ref
	Severe	2.63	1.47, 4.70	0.001	2.64	1.44, 4.84	0.002
Eichner index	A	Ref			Ref
	B	1.43	0.82, 2.48	0.21	0.91	0.50, 1.63	0.74
	C	2.08	1.13, 3.82	0.018	1.31	0.64, 2.66	0.46
Age (years)		1.04	1.02, 1.06	< 0.001	1.03	1.01, 1.06	0.004
Female		0.99	0.61, 1.59	0.97	0.99	0.59, 1.63	0.95
Smoking Status	Never and former	Ref			Ref
	Current	0.99	0.62, 1.59	0.97	0.83	0.43, 1.58	0.56
BMI	≥ 18.5	Ref			Ref
	< 18.5	3.05	1.56, 5.99	0.001	3.81	1.88, 7.73	< 0.001
Diabetes		1.58	1.00, 2.50	0.051	1.72	1.03, 2.86	0.037
Hemodialysis vintage (years)		1.00	0.96, 1.04	0.95	1.00	0.97. 1.05	0.76
Hemoglobin (g/dL)		0.97	0.87, 1.09	0.64	0.98	0.87, 1.09	0.69

OR, odds ratio; CI, confidence interval; BMI, body mass index; HD, hemodialysis.

In this model, the number of MIA component(s) (0, 1, 2, and 3) is set as the ordinal dependent variable.

*Adjusted for all listed variables.