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Power Calculation
| Overall unadjusted mortality rate |
Center-level volume (N) needed to detect a doubling of mortality rate |
N(%) of centers meeting volume threshold (1 year of data) |
N (%) of centers meeting volume threshold (4 years of data) |
|
|---|---|---|---|---|
| All Operations |
3.3% | 256 | 23 (24%) | 74 (78%) |
| Benchmark Operations |
3.0% | 285 | 0 (0%) | 33 (35%) |
See Methods for details
