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Isolated Coronary Artery Bypass Graft Surgery Outcomes Report

Center Rates are based on the most recent 500 consecutive cases of isolated CABG surgery through June 30, 2016. Region rates are based on the most recent 500 cases from each of the 7 NNECDSG centers (n=3,500).

In-Hospital Outcomes/Processes

CMC Adjusted rate (%) 95% CI

CMMC Adjusted rate (%) 95% CI

CH Adjusted rate (%) 95% CI

DHMC Adjusted rate (%) 95% CI

EMMC Adjusted rate (%) 95% CI

UVMMC Adjusted rate (%) 95% CI

MMC Adjusted rate (%) 95% CI

 

Region Rate

In-hospital mortality (% rate)

0.8

(0.2-1.4)

1.7

(0.6-2.7)

 1.5

(0-2.2.7)

1.9

(0.6-3.2)

1.9

(0.5-3.2)

2.1

(0.7-3.5)

1.8

(0.7-2.9)
 

1.5

Cerebrovascular accident (% rate)

0.3

(0.0-0.7)

 2.0

(0.9-3.2)

 0.1

(0.0-0.3)

1.4

(0.3-2.5)

2.5

(1-4.0)

1.5

(0.5-2.6)

0.3

(0.0-0.8)
 

1.2

Return to operating room for bleeding (% rate)

1.2

(0.2-2.1)

1.2

(0.1-2.2)

1.1

(0.2-2.0)

2.1

(0.9-3.3)

1.5

(0.4-2.7)

2.6

(1.2-4.0)

2.1

(0.9-3.4)
 

1.7

Post-operative renal failure or insufficiency (% rate)

1.4

(0.5-2.3)

3.1

(1.7-4.5)

2.3

(0.9-3.7)

2.8

(1.3-4.3)

4.5

(2.6-6.3)

2.8

(1.4-4.3)

1.7

(0.6-2.8)
 

2.7

Use of internal mammary artery (% rate)

100

(100-100)

100

(100-100)

99.8

(99.4-100)

100

(100-100)

99.8

(99.4-100)

100

(100-100)

100

(100-100)
 

99.9

Mean post-operative length of stay (among survivors)

6.0

(5.7-6.3)

6.2

(5.7-6.6)

5.6

(5.3-5.8)

6.7

(6.4-7.0)

6.6

(6.1-7.0)

5.8

(5.6-6.1)

6.4

(6.0-6.7)
 

6.2 days

Median post-operative length of stay (among survivors)

5

(4-6)

5

(4-7)

5

(4-6)

6

(5-7)

5

(4-7)

5

(4-7)

5

(4-7)
 

5 days

Avg. annual vol. of isolated CABG surgeries (last 3 yrs)

 255

112

 83

170
205
243

 432

 

1,499

CMC= Catholic Medical Center, Manchester, NH, CMMC= Central Maine Medical Center, Lewiston, ME, CH= Concord Hospital, Concord, NH, DHMC=Dartmouth-Hitchcock Medical Center, Lebanon, NH, , EMMC= Eastern Maine Medical Center, Bangor, ME, UVMMC= University of Vermont Medical Center, formally Fletcher Allen Health Care, Burlington, VT, MMC= Maine Medical Center, Portland, ME 

Note: If the region rate falls within the confidence bounds for the center rate, the center and regional rates are not significantly different.

DEFINITIONS

 
Beth Israel-Deaconess Medical Center Maine Medical Center Dartmouth-Hitchcock Medical Center Eastern Maine Medical Center Fletcher Allen Health Care