Table 2. Stratification analysis for the association between TRMT61B rs4563180 genotypes and hepatoblastoma risk.

Variables	GG	GC/CC	Crude OR	P	Adjusted OR a	P a
	(Cases/Controls)		(95% CI)		(95% CI)
Age, month
<17	115/369	52/272	0.61 (0.43-0.88)	0.008	0.62 (0.43-0.89)	0.010
≥17	98/484	45/319	0.70 (0.48-1.02)	0.063	0.70 (0.48-1.02)	0.066
Gender
Females	91/347	37/248	0.57 (0.38-0.86)	0.008	0.57 (0.38-0.86)	0.008
Males	122/506	60/343	0.73 (0.52-1.02)	0.063	0.73 (0.52-1.02)	0.063
Clinical stage
I+II	110/853	50/591	0.66 (0.46-0.93)	0.018	0.65 (0.46-0.93)	0.018
III+IV	66/853	25/591	0.55 (0.34-0.88)	0.012	0.55 (0.34-0.88)	0.012

OR, odds ratio; CI, confidence interval.

^aAdjusted for age and gender, omitting the corresponding stratify factor.