Retrospective analysis of the clinical features of 172 patients with BCR-ABL1 -negative chronic myeloproliferative neoplasms

Table 3 Clinical features and outcome of three groups

Index	PMF (n = 24)	PV (n = 80)	ET (n = 68)	P
Index	PMF (n = 24)	PV (n = 80)	ET (n = 68)	Whole group	PMF vs. PV	PMF vs. ET	PV vs. ET
Age(year)	65.5(42–78)	58(21–78)	57(18–77)	0.122
sex				0.180
male	17	49	35
female	7	31	33
abnormal chromosome	6	5	2	< 0.001^*	0.003^*	0.001^*	0.686
JAK2 V617Fmutation	15	73	47	< 0.001^*	0.007^*	0.723	0.005^*
Splenomegaly	24	58	23	< 0.001^*	0.003^*	< 0.001^*	< 0.001^*
Thrombosis	2	13	12	0.550	0.511	0.342	0.821
hemorrhage	1	5	1	0.341	0.578	0.456	0.219
Leukaemia	1	0	0	0.045	0.231	0.261	/
Bone fibrosis	/	2	3	0.661			0.661
High LDH	24	56	39	0.001^*	0.002^*	< 0.001^*	0.110

ISSN: 1755-8166