Table 2.

Results Of Subgroup Analysis

Stage		5-Year OS Rate (%)	P	5-Year PFS Rate (%)	P	5-Year BMFS Rate (%)	P
I	Surgical group	62.3	0.038	80.1	0.048	91.7	0.816
Chemoradiotherapy group.	40.1		40.1		95.1
II	Surgical group	41.2	0.946	64.7	0.280	78.1	0.720
Chemoradiotherapy group.	50.6		42.1		74.6
III	Surgical group	25.1	0.220	27.6	0.333	76.2	0.842
Chemoradiotherapy group.	47.6		36.2		74.3