Table 1.

Eleven ACS-NSQIP variables were similar to 11 variables in the CSHA-FI. Four ACS-NSQIP variables related to oncology patients were added to make the FI consisting of 15 variables in total. The number of positive factors in the FI was recorded for each patient and divided by 15 to create a frailty index value.

ACS-NSQIP Variables	CSHA-FI Variables
1.Diabetes mellitus	History of Diabetes Mellitus
2.Functional Status	Impaired mobility, problems dressing oneself
3.History of severe COPD	Lung Problems
4.CHF exacerbation in 30 days before surgery	Congestive Heart Failure
5.History of MI 6 months prior to surgery	MI
6.Previous PCI, cardiac surgery, or history of angina	Cardiac Problems
7.Hypertension requiring medication	Arterial Hypertension
8.Peripheral vascular disease or rest pain	Peripheral Pulses
9.Impaired sensorium	Clouding/Delirium/Changes in mental function
10.History of TIA or CVA without neurologic deficit	Cerebrovascular Problems
11.History of CVA with neurologic deficit	History of stroke
12.Weight loss within last 6 months greater than 10%
13.Chemotherapy or radiation prior to surgery
14.History of Metastasis
15. Severe Renal Failure or currently on dialysis