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. Author manuscript; available in PMC: 2014 Jul 1.
Published in final edited form as: Ann Thorac Surg. 2013 May 21;96(1):96–104. doi: 10.1016/j.athoracsur.2013.03.091

Table 2. 30-day hospital utilization rates among 63,911 patients undergoing isolated CABG in 114 California.

Readmissions ED visits1 Hospital-based, acute care

Hospital-level rates
 Observed rate, median (IQR) 15.2 (4.9) 11.5 (4.3) 24.0 (5.2)
 Risk standardized rate, median (IQR) 15.0 (2.9) 11.9 (3.3) 23.9 (3.3)
Occurred at a hospital other than the discharging hospital for coronary artery bypass (%) 63.0% 53.7% 58.9%
Most common associated primary diagnoses (% of all encounters)

 Most common Post-operative infection (11.6%) Chest pain (6.9%) Post-operative infection (8.1%)
 2nd Congestive heart failure (9.9%) Chest discomfort (4.0%) Congestive heart failure (6.9%)
 3rd Pleural effusion (3.3%) Post-operative infection (3.4%) Chest pain (3.6%)
 4th Pneumonia (3.0%) Painful respirations (3.3%) Chest discomfort (3.4%)
 5th Chest discomfort (2.9%) Congestive heart failure (3.2%) Pleural effusion (3.1%)
1

Only includes encounters which did not result in admission