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Probability of Mortality by US Census Region (High-Volume Cohort).
| Hospital Region |
Unadjusted Model | Adjusted for Patient Characteristics |
P-value |
|---|---|---|---|
| Northeast | 6.5% | 7.5% | Reference |
| Midwest | 5.8% | 4.6%* | <0.001 |
| South | 6.7% | 7.0% | 0.534 |
| West | 7.3% | 6.2% | 0.124 |
P<0.001 for between group comparison: Northeast vs Midwest
