Table 2. Risk ratio of female donor versus male donor according to age of donora

RecipientDonor AgeRisk Ratio95% CI of Risk RatioP
a The table does not give absolute rates, but indicates by how much kidneys of female donors do worse than kidneys from male donors (and vice versa).
Female16 to 451.
Male16 to 451.161.121.19<0.0001