Figure 6
From: Sex and race differences in J-Tend, J-Tpeak, and Tpeak-Tend intervals

Cumulative distributions of QT/RR (top panel), JT/RR (middle panel), and JTp/RR (bottom panel) slopes of the curvilinear regression models in the investigated population. In each panel, the dark red, light red, dark blue, and light blue lines correspond to the measurements in African females, Caucasian females, African males, and Caucasian males, respectively. The data of subjects of other races are not shown.