Table 5.

Comparison between evolution rates to AML by WHO subtype and by age

WHO subtype	Total N	Evolved (N)	Percent	Not evolved (N)	Percent	Unknown (N)	Percent	p value
RA/RARS	229	18	7.9	189	82.5	22	9.6	<0.0001
RCMD/RCMD-RS	162	41	25.3	106	65.4	15	9.2
RAEB-1	162	70	43.2	80	49.4	12	7.4	0.004
RAEB-2	123	65	52.8	41	33.3	17	13.8
CMML-D	52	19	36.5	31	59.6	2	3.8	0.405
CMML-P	71	29	40.8	35	49.3	7	9.6
Other subtypes	56	33	58.9	21	37.5	2	3.6	–
Age <70 years	241	105	43.6	123	51.0	13	5.4	<0.0001
Age ≥70 years	614	170	27.7	380	61.9	64	10.4