Table 2. Patients who achieved a second complete remission (CR2, n=62).

		PRS ± SE (%)		PREFS ± SE (%)
Factor	N	10-Year Estimate	P-value	10-Year Estimate	P-value
Chemotherapy at First Relapse
No	46	34.8 ± 8.5	0.4030	23.9 ± 7.0	0.5936
Yes	16	16.7 ± 8.8		12.5 ± 8.3
Radiation at First Relapse
No	62	30.2 ± 7.0	-	21.0 ± 5.9	-
Yes	0	--		--
Chemotherapy at any Relapse
No	23	60.9 ± 12.0	0.0006	47.8 ± 11.5	<0.0001
Yes	39	11.2 ± 5.3		5.1 ± 3.5
Radiation at any Relapse
No	48	39.0 ± 8.8	0.0292	27.1 ± 7.3	0.0108
Yes	14	0 ± 0		0 ± 0