Table 3. Results of statistical... | American Society of Hematology

Table 3.

Results of statistical analysis: P values

Variable	Microvessel grade	c-Mpl grade	ET histologic score
Age	.86	.65	.79
Sex	.04	.65	.32
Counts at diagnosis
Hemoglobin	.31	.12	.98
Leukocyte count	.21	.39	.23
Platelet count	.18	.46	.38
Palpable spleen	.001^3-150,^3-151	.61	.001^3-150,^3-151
Counts at bone marrow study
Hemoglobin	.04	.12	.26
Leukocyte count	.56	.09	.02
Platelet count	.09	.47	.002^3-151
Palpable spleen at bone marrow study	.004^3-151	.88	.007^3-151
Vascular event
Yes/no	.11	.70	.30
Number	.28	.59	.65
Type (thrombosis vs hemorrhage)	.37	.37	.37
Fatal	.74	.74	.74
Bone marrow features
Abnormal karyotype	.72	.65	.90
Cellularity	.01	.44	.001^3-151
Megakaryocyte number	.002^3-150,^3-151	.04	.001^3-150,^3-151
Megakaryocyte clustering	.009^3-151	.20	.001^3-151
Osteosclerosis	.008^3-151	.48	.001^3-151
Reticulin fibrosis	.005^3-150,^3-151	.35	.03

Variable	Microvessel grade	c-Mpl grade	ET histologic score
Age	.86	.65	.79
Sex	.04	.65	.32
Counts at diagnosis
Hemoglobin	.31	.12	.98
Leukocyte count	.21	.39	.23
Platelet count	.18	.46	.38
Palpable spleen	.001^3-150,^3-151	.61	.001^3-150,^3-151
Counts at bone marrow study
Hemoglobin	.04	.12	.26
Leukocyte count	.56	.09	.02
Platelet count	.09	.47	.002^3-151
Palpable spleen at bone marrow study	.004^3-151	.88	.007^3-151
Vascular event
Yes/no	.11	.70	.30
Number	.28	.59	.65
Type (thrombosis vs hemorrhage)	.37	.37	.37
Fatal	.74	.74	.74
Bone marrow features
Abnormal karyotype	.72	.65	.90
Cellularity	.01	.44	.001^3-151
Megakaryocyte number	.002^3-150,^3-151	.04	.001^3-150,^3-151
Megakaryocyte clustering	.009^3-151	.20	.001^3-151
Osteosclerosis	.008^3-151	.48	.001^3-151
Reticulin fibrosis	.005^3-150,^3-151	.35	.03

Significant on multivariate analysis.

Significant on univariate analysis.