Table 4.

Baseline Hematologic Toxicities Prior to Therapy and Grade 3 to 4 Toxicities Reported in Patients With Myelofibrosis During Lenalidomide and Prednisone Therapy

Toxicity Grade at Baseline	Neutropenia			Anemia			Thrombocytopenia
	Patient No. at Baseline	With Grade 3-4 During Therapy		Patient No. at Baseline	With Grade 3-4 During Therapy		Patient No. at Baseline	With Grade 3-4 During Therapy
		No.	%		No.	%		No.	%
0	38	23	60	7	1	14	26	3	11
1	0			12	6	50	6
2	0			20	9	45	2
3	0			1			2	2*	100
4	2			0			4
Overall	40	23	58	40	17	42	40	5	13

^*Grade 4 only.