Table 2.
Mean | S.D.a | Minimum | Maximum | |
---|---|---|---|---|
Registrations | 59 | 64 | 1 | 634 |
Performance | ||||
Actual graft survival rate | .89 | .07 | .37 | 1.00 |
Actual minus expected graft survival rate | .00 | .06 | -.52 | .18 |
Observed ÷ expected graft failure rate | 1.02 | .58 | .00 | 5.84 |
Z-score | -.10 | 1.61 | -20.69 | 4.44 |
Number of registrants, 0 to 100 miles | 262 | 246 | 3 | 1,337 |
Number of registrants, 100 to 200 miles | 133 | 136 | 0 | 1,009 |
S.D. = standard deviation.