Table 4 Correlation of clinical features... | American Society of Hematology

Table 4

Correlation of clinical features and laboratory values with tricuspid regurgitation velocity in patients with sickle cell disease

	n	Partial R*	P
Hydroxyurea therapy	356	0.07	.2
Hemoglobin	342	−0.32	< .001
Hemolytic component	308	0.38	< .001
Hemoglobin oxygen saturation	344	−0.11	.042
Hemoglobin F percentage	173	0.15	.048
Hemoglobin F category, 8% or higher versus lower than 8%†	173	0.26	.001
Erythropoietin, natural log	335	0.34	< .001

	n	Partial R*	P
Hydroxyurea therapy	356	0.07	.2
Hemoglobin	342	−0.32	< .001
Hemolytic component	308	0.38	< .001
Hemoglobin oxygen saturation	344	−0.11	.042
Hemoglobin F percentage	173	0.15	.048
Hemoglobin F category, 8% or higher versus lower than 8%†	173	0.26	.001
Erythropoietin, natural log	335	0.34	< .001

Adjusted for age, sex, site, and chronic transfusion program.

Ninety-four (54%) of the 173 patients had hemoglobin F of 8% or higher and 54% of these patients were on hydroxyurea.