Don't Throw Your Heart Away: Medical Student Study 2

"The transplant survival rate in the table of outcome statistics is stratified into two groups: (i) patients who received excellent donor organs and (ii) patients who received less than optimal donor organs.~Stratified transplant survival is computed from survival rates of transplant patients who received each quality category of organ.~excellent transplant survival = \[number of patients surviving after transplant with excellent organ\]/\[number of patients for whom excellent organ was accepted for transplant\] marginal transplant survival = \[number of patients surviving after transplant with marginal organ\]/\[number of patients for whom marginal organ was accepted for transplant\]"