Table 1.

Patient characteristics and laboratory data by diagnostic group

	PV	Post-PV MF	SE	ET	Overt PMF	PreMF	Other
Total Patients	36	7	85	25	16	12	19
Male (%)	55.6	57.1	60.0	36.0	68.8	58.3	63.2
Median age (yrs)	73.3	66.7	57.5	73.5	72.5	79.9	56.4
Minimum	23.7	59.4	16.3	22.8	44.6	50.2	26.5
Maximum	88.6	86.3	86.2	92.3	90.3	97.1	82.1
Median BMI (kg/m2)	27.5	30.8	30.8	26.3	27.0	27.7	31.4
Minimum	17.2	25.1	19.3	17.1	17.6	21.7	20.4
Maximum	35.8	37.1	53.5	39.7	44.8	40.2	46.8
Any smoking (%)	58.3	28.6	69.4	36.0	68.8	66.7	68.4
JAK2+ (%)	100	100	0.0	64.0	62.5	58.3	31.5
Hb (g/L) Females
Median	172	153	176	142	145	149	138
Minimum	142	139	129	131	111	114	115
Maximum	206	183	203	158	151	159	158
Hb (g/L) Males
Median	181	191	187	166	157	159	161
Minimum	142	170	156	135	102	143	125
Maximum	228	242	221	177	173	166	206
RBC (×106/μL) Females
Median	6.0	5.3	5.6	4.8	5.0	4.6	4.8
Minimum	4.7	4.4	5.0	4.4	3.3	3.8	4.0
Maximum	10.3	7.5	7.9	6.1	5.7	5.9	6.5
RBC (×106/μL) Males
Median	6.9	6.8	6.0	5.3	5.0	5.2	5.4
Minimum	5.5	5.3	5.2	4.6	3.0	4.5	4.0
Maximum	10.3	7.5	7.9	6.1	5.7	5.9	6.5
Platelets (×103/μL)
Median	686.0	617.0	283.0	811.0	593.0	864.5	568.0
Minimum	164.0	145.0	121.0	414.0	123.0	247.0	169.0
Maximum	1598.0	1501.0	757.0	1422.0	2437.0	1747.0	1067.0
MCV (fL)
Median	84.2	76.2	89.1	87.7	84.7	87.8	86.8
Minimum	55.6	65.8	64.3	80.9	71.5	82.4	74.4
Maximum	94.5	86.6	102.0	93.4	97.4	95.7	91.9
EPO (mIU/mL)
Median	2.5	4.0	7.3	5.1	13.3	18.0	14.3
Minimum	0.6	1.5	1.0	5.0	5.0	18.0	4.0
Maximum	14.0	4.0	58.0	8.0	100.0	18.0	132.0

BMI, body mass index; Hb, hemoglobin; EPO, erythropoietin; MCV, mean corpuscular volume; RBC, red blood cell; PV, polycythemia vera; MF, myelofibrosis; SE, secondary erythrocytosis; ET, essential thrombocythemia; PMF, primary myelofibrosis; PrePMF, prefibrotic primary myelofibrosis