Table 1

NSQIP predicted variables.

NSQIP Calculator Predicted Variables
1. Serious complication
2. Any complication ^{^a}
3. Pneumonia
4. Cardiac complication ^{^a}
5. Surgical site infection ^{^a}
6. Urinary tract infection ^{^a}
7. Venous thromboembolism
8. Renal failure
9. Readmission
10. Return to OR ^{^a}
11. Death ^{^a}
12. Discharge to nursing or rehabilitation facility
13. Length of stay ^{^a}

Abbreviations: NSQIP, National Surgical Quality Improvement Program; OR, operating room.
↵a Indicates variables were shared between the 2 cohorts.