Table 1.

Characteristics of patients

	Diagnosis	Sub-group	N	% of total with abnormal SNP-A	% of total with UPD	% of those with abnormal SNP-A having UPD
Total (N=301)	MDS (N=140)	RA/RARS/RCMD/5q	67	63	18	29
		RAEB I/II	28	79	14	18
		Secondary AML	45	67	20	30
	MDS/MPD (N=81)	MDS/MPDu	29	66	34	53
		CMML	27	74	41	55
		Secondary AML□	25	88	60	68
	MPD (N=14)	n/a	7	100	57	57
		Secondary AML	7	86	57	67
	pAML (N=66)	n/a	66	56	24	43

Samples from 116 healthy individuals were used as controls; n/a, not applicable; pAML, primary acute myeloid leukemia

^□Includes patients who evolved to AML from both MDS/MPDu and CMML