Flowchart of Study Patients.

<p>Flowchart of Study Patients.</p

Characteristics of the patient population.

<p>Characteristics of the patient population.</p

VTE: Ages of cohorts with and without VTE.

<p>VTE: Ages of cohorts with and without VTE.</p

Rate Ratios (RR) of VTE in Black Sickle Cell Trait, Black HbAA and White HbAA.

<p>Rate Ratios (RR) of VTE in Black Sickle Cell Trait, Black HbAA and White HbAA.</p