Table 2. Factors Associated With a Strong Positive Result for Salivary Occult Blood Test According to Multivariate Analysis ^a.

	Odds Ratio	95% CI	P Value
PLT < 8.0, × 10 4 /μL	5.80	[2.30, 14.92]	0.0002
Brushing teeth only once a day	3.46	[1.78, 6.76]	0.0003
Current IFN treatment	2.87	[1.52, 5.43]	0.0012
65 years or older	2.50	[1.37, 4.63]	0.0028
Obesity, BMI ≥ 25 kg/m 2	2.33	[1.22, 4.39]	0.0103

^aAbbreviation: PLT, platelets.