Table 2.

Time to first therapy and overall survival according to the CLL-IPI risk score among MBL and Rai 0 CLL

CLL-IPI	Time to first therapy
	Estimated 5-y risk		Estimated 10-y risk
	MBL, %	Rai 0 CLL, %	MBL, %	Rai 0 CLL, %	MBL vs CLL, P
Low	7.1	18.6	14.9	33.7	.002
Intermediate	13.4	40.8	49.0	67.7	<.0001
High	43.0	74.3	75.1	81.9	.02
Very high	0.0	57.8	0.0	Not estimable	.09
CLL-IPI	Overall survival
	Estimated 5-y risk		Estimated 10-y risk
	MBL, %	Rai 0 CLL, %	MBL, %	Rai 0 CLL, %	MBL vs CLL, P
Low	95.3	97.1	82.4	80.7	.98
Intermediate	94.2	89.8	72.8	67.9	.55
High	83.6	77.1	62.4	46.0	.14
Very high	75.0	26.9	75.0	13.5	.36

Values in bold indicate P < .05.