Relationship between D-dimer and PS-positive red blood cells and PS-positive platelets from patients with SCD.

Panel A depicts the association between the levels of D-dimer and PS-positive red blood cells. Panel B presents correlation between D-dimer and PS-positive platelets. The open and closed circles represent data points from patients with the SC and SS genotypes, respectively. The solid lines represent the linear-regression fit to the data, and the dotted lines represent the 99% confidence interval curves.