Donor-recipient relationship and twenty-year odds of ESKD in live kidney donors of varied racial groups. The blue dot is the age- and sex-adjusted odds ratio comparing a biologically related donor group with unrelated donors; the orange bar is the 95% confidence interval of the odds ratio. Key: biologically unrelated (Unr), half-sibling or other biological relative (Hal), parent (Par), offspring (Off), full-sibling (Ful), and Identical Twin (Twi)