Table 2.
Results of the Variance Partitioning Analysis: Explained and Unexplained Mortality Variation in the Cohort
| Mortality Variation | Percentage |
|---|---|
| Explained | |
| By patient factors included in the model | 30 |
| By hospital | 4 |
| Unexplained | 66a |
95% related to unmeasured patient factors, 5% to hospital.