Maine Medical Center (MMC), Portland, ME Isolated Coronary Artery Bypass Graft Surgery Outcomes Report Results are based on the center's most recent 500 consecutive cases of isolated CABG surgeries compared to the region rate. Data are through December 2011.
In-Hospital Outcomes/Processes	MMC Adj. Rate (%) 95% CI	Region Rate
In-hospital mortality (% rate)	1.8 (0.7-3.0)	1.6
Cerebrovascular accident (new fixed neurologic deficit persisting more that 24 hrs) (% rate)	1.6 (0.4-2.7)	1.5
Return to operating room for post-operative bleeding (% rate)	1.8 (0.7-2.8)	1.7
Mediastinitis/Sternal dehiscence requiring reoperation (% rate, during index admission)	0.0 (0.0-0.6)	0.2
Post-operative renal failure or insufficiency (% rate)	2.4 (1.0-3.8)	3.0
Use of internal mammary artery (% rate, among patients having first CABG surgery)	97.1 (95.6-98.6)	99.0
Mean post-operative length of stay (among survivors)	7.6 (7.1-8.2)	6.8 days
Median post-operative length of stay (among survivors)	6 (5-8)	6 days
Average annual volume of isolated CABG surgeries (based on the last 3 years)	433	1,679
Note: If the region rate falls within the confidence bounds for the center rate, the center and regional rates are not significantly different.
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