Find Texas hospitals with better survival rates for heart bypass (CABG). Scroll to CABG at this State of Texas site, to find the 2016 report. Observed mortality rate was 2.84% for Coronary Artery Bypass Graft. The average charge for CABG was about $234,000. The largest volume hospital for CABG surgeries (over 650 cases) was CHI St Lukes Health Baylor College of Medicine Medical Center in Houston, which had a 4.12% death rate. The highest observed mortality rate (8.08%) for CABG was at Northwest Texas Hospital in Amarillo; it had about 100 cases in 2016. Reports are part of the section called Indicators of Inpatient Care in Texas Hospitals Present on Admission (POA) at dshs.texas.gov.