Table 3

Operative outcomes

VariableAll patients (n=1526360)SIMA (n=1466234)BIMA (n=60126)p Value
Inhospital mortality (%)1.71.71.1<0.001
DSWI rate (%)1.41.41.30.001
Length of stay, days8.9±7.09.0±7.08.0±6.2<0.001
Total costs, $92 401±72 38792 698±72 61185 246±66 370<0.001
  • BIMA, bilateral internal mammary arteries; DSWI, deep sternal wound infection; SIMA, single internal mammary artery.