Table 2. Postoperative Outcomes.
| Outcome | No. (%) | HR (95% CI) | P value | |
|---|---|---|---|---|
| Pedicled ITA (n = 1166) | Skeletonized ITA (n = 995) | |||
| All-cause mortality | 225 (19.3) | 226 (22.7) | 1.12 (0.92-1.36)a | .27 |
| MACE | 333 (28.6) | 340 (34.2) | 1.25 (1.06-1.47)a | .01 |
| MACE and SWC | 361 (31.0) | 358 (36.0) | 1.22 (1.05-1.43)a | .01 |
| MI | 44 (3.8) | 41 (4.1) | 1.12 (0.73-1.72) | .60 |
| RR | 116 (9.9) | 134 (13.5) | 1.42 (1.11-1.82) | .01 |
| SWC | 53 (4.5) | 33 (3.3) | 0.61 (0.40-0.94) | .03 |
Abbreviations: HR, hazard ratio; ITA, internal thoracic artery; MACE, major adverse cardiac events; MI, myocardial infarction; RR, repeated revascularization; SWC, sternal wound complications.
a
Adjusted for age, female sex, New York Heart Association class of III to IV, diabetes, chronic obstructive pulmonary disease, peripheral vascular disease, prior stroke, prior MI, left ventricular ejection fraction less than 50%, use of bilateral ITA, use of radial artery, and use of off-pump coronary artery bypass grafting.