Table 5.

C-statistic of time to first therapy and overall survival

		OS			TTFT
Cohort	N	IGHV	IGHV, B2M, ABC	CLL-IPI	IGHV	IGHV, B2M, ABC	CLL-IPI
Overall	900	0.58	0.66	0.65	0.67	0.76	0.69
MBL	390	0.55	0.64	0.61	0.63	0.68	0.67
Rai 0 CLL	510	0.59	0.67	0.67	0.69	0.76	0.70

ABC, absolute B cell count.