Table 4. Multivariable logistic regression with oral mucositis as the outcome in all patients (n = 104).

Variablesa	Unadjusted		Adjusted for methotrexate
	OR (95% CI)	P-value	OR (95% CI)	P-value
Diagnosis		<0.001***		0.001**
Acute leukemia	1		1
Lymphoma	0.048 (0.010–0.225)	<0.001***	0.054 (0.011–0.259)	<0.001***
Solid tumors	0.139 (0.049–0.389)	<0.001***	0.240 (0.075–0.765)	0.016*
Methotrexateb	–	0.052	2.879 (0.966–8.580)	0.058
Thrombocyteb	–	0.295	–	–
Hemoglobinb	–	0.845	–	–
Lymphopeniab	–	0.666	–	–

OR, odds ratio; CI, confidence interval.

^aVariables that have significant difference in the univariable analysis (Table 2 and 3) are included.

^bVariables that are removed from the logistic regression equation in the unadjusted model.

^* P<0.05,

^** P<0.01,

^*** P<0.001.