[Retracted] A Retrospective Cohort Study of the Efficacy, Safety, and Clinical Value of 6-TG versus 6-MP Maintenance Therapy in Children with Acute Lymphoblastic Leukemia

Table 1

Comparison of overall failure event rate and mortality in the first remission period .

Grouping		Overall failure event rate	Mortality in the first remission period
Control group	251	55 (21.91)	6 (2.39)
Research group	233	42 (18.02)	0 (0)
		1.139	3.856
		>0.05	<0.05