Table 4.

Highest level of thromboprophylaxis given in Myeloma IX and XI trials, by risk before VTE

Thromboprophylaxis	Myeloma IX						Myeloma XI
	High risk (n = 62)		Low risk (n = 233)		Total (N = 295)		High risk (n = 291)		Low risk (n = 241)		Total (N = 532)
	No.	%	No.	%	No.	%	No.	%	No.	%	No.	%
Not given	42	67.7	182	78.1	224	75.9	40	13.7	50	20.7	90	16.9
Aspirin	NR		NR		NR		67	23.0	80	33.2	147	27.6
Treatment dose of warfarin	9	14.5	29	12.4	38	12.9	11	3.8	3	1.2	14	2.6
LMWH	9	14.5	19	8.2	28	9.5	168	57.7	100	41.5	268	50.4
Other	1	1.6	1	0.4	2	0.7	4	1.4	5	2.1	9	1.7
Missing	1	1.6	2	0.9	3	1.0	1	0.3	3	1.2	4	0.8