Table 2.
Hospital Rates of Complication and Failure-to-Rescue by Volume, All Operations Combined
| Complication Incidence | Failure to Rescue | |||||
|---|---|---|---|---|---|---|
| Very Low Volume |
Very High Volume |
OR (95% CI) | Very Low Volume |
Very High Volume |
OR (95% CI) | |
| Any Major Complication | 27.8% | 27.5% | 1.01 [0.99 - 1.04] | 13.3% | 10.9% | 1.26 [1.17 - 1.35] |
| Medical Complications | ||||||
| Myocardial infarction a | 3.9% | 4.4% | 0.90 [0.82-1.00] | 19.1% | 12.9% | 1.58 [1.21 - 2.07] |
| Acute renal failure | 10.3% | 10.9% | 0.94 [0.82-1.07] | 18.5% | 15.0% | 1.28 [1.13 - 1.46] |
| VTE | 0.8% | 1.1% | 0.78 [0.63-0.96] | 12.4% | 9.9% | 1.30 [0.85 - 1.96] |
| Pneumonia | 2.3% | 1.7% | 1.33 [1.12-1.46] | 19.9% | 17.5% | 1.16 [0.90 - 1.50] |
| GI bleed | 1.0% | 1.0% | 1.06 [0.93-1.22] | 14.2% | 11.3% | 1.31 [0.90 - 1.89] |
| Pulmonary failure | 8.8% | 5.3% | 1.71 [1.47-1.97] | 20.2% | 21.4% | 0.93 [0.80 - 1.08] |
| Surgical Complications | ||||||
| Post-operative hemorrhage | 5.4% | 6.2% | 0.87 [0.76 - 0.99] | 11.4% | 9.0% | 1.30 [1.07 - 1.58] |
| Surgical site infection | 1.6% | 1.8% | 0.86 [0.74 - 1.00] | 13.7% | 7.6% | 1.93 [1.36 - 2.75] |
a
Excludes patients undergoing CABG secondary to the inability to make temporal inferences from Medicare data.