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significance was reached. The group with "superior" outcomes for cadaveric transplantation included 13 centers, of which 2 also had "superior" outcomes for living donor transplantation. Table 6.14 shows the 1-year cadaveric kidney graft survival results for the 13 transplant programs that had higher than expected results. Large and relatively small transplant programs in large and small cities are represented.

The spread of actual outcomes for these centers, 97-95% 1-year graft survival, was higher than the spread of expected outcomes, 91-88%. There were 10 centers with actual 1-year cadaveric kidney transplant graft survival rates statistically significantly less than expected results. The actual graft survival spread was 59-80%, compared to the expected spread of 85-91%. Importantly, the lower graft survival rate in 3 centers in the later group was influenced by a greater rate of graft loss accounted for by death-with-function rather than immunologic or other causes of graft loss. This was reflected by the lower 1-year patient survival rates in this group (actual 80-88% versus expected 93-95%).

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