Table 7.
Risks for Mortality in Follow Up Amongst Baseline Characteristics of Those Undergoing Simultaneous CEA and CABG. Cox Regression Analysis.
| Variable | Percent Experiencing Mortality in Follow Up (n) | Hazard Ratio (95% CI) | Multivariable P-Value | |
|---|---|---|---|---|
| Mean age | Yes mortality | 72.49 YO (STDEV 8.07) | 1.05/year (1.04-1.07) | <0.001 |
| No mortality | 68.32 YO (STDEV 8.82) | |||
| Smoking history | Never smokers | 11.1% (75/676) | ||
| Yes smoking history | 14% (292/2088) | 1.27 (0.98-1.66) | 0.075 | |
| Hypertension | No hypertension | 12.8% (33/257) | ||
| Yes hypertension | 13.3% (334/2507) | 1.12 (0.78-1.61) | ||
| Diabetes mellitus | No diabetes | 12.3% (192/1557) | ||
| Yes diabetes | 14.5% (175/1207) | 1.13 (0.92-1.40) | 0.242 | |
| Congestive heart failure history | No CHF | 11.1% (239/2152) | ||
| Yes CHF | 20.9% (128/612) | 1.61 (1.29-2.01) | <0.001 | |
| Chronic obstructive pulmonary disease | No COPD | 11.4% (239/2097) | ||
| Yes COPD | 19.2% (128/667) | 1.69 (1.35-2.12) | <0.001 | |
| Anemia (HGB <10 mg/dl) | No anemia | 11.2% (262/2343) | ||
| Yes anemia | 24.9% (105/421) | 1.64 (1.30-2.07) | <0.001 | |
| Gender | Male gender | 12.6% (250/1989) | ||
| Female gender | 15.1% (117/775) | 1.14 (0.91-1.43) | 0.27 | |
| Contralateral carotid stenosis >70% | No contralateral stenosis >70% | 13.6% (277/2040) | 1.08 (0.85-1.37) | 0.527 |
| Yes >70% contralateral stenosis | 12.4% (90/724) | |||
| Chronic renal insufficiency | No renal insufficiency | 10.9% (234/2153) | ||
| Yes renal insufficiency | 21.8% (133/611) | 1.48 (1.19-1.86) | <0.001 | |
| Symptomatic carotid lesion within 6 Months | No symptomatic carotid | 13.3% (317/2388) | ||
| Yes symptomatic carotid | 13.3% (50/376) | 1.44 (1.07-1.95) | 0.018 |
Abbreviations: CEA = carotid endarterectomy; CABG = coronary artery bypass graft; CHF = congestive heart failure; COPD = chronic obstructive pulmonary disease; HGB = hemoglobin; YO = years old.