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Table 2 Patient mortality by hospital volume groups

From: Volume-based referral for cardiovascular procedures in the United States: a cross-sectional regression analysis

 

Hospital CABG Volume

 

Overall

Low (<450)

High (≥450)

P

Crude rates

3.6

3.9

3.5

0.002

Unadjusted odds ratio (95% CI)

-

1.10 (1.04–1.16)

1.00 [referent]

0.001

Adjusted odds ratio (95% CI)

-

1.16 (1.10–1.24)

1.00 [referent]

<0.001

 

Hospital PCI Volume

 

Overall

Low (<400)

High (≥400)

P

Crude rates

1.5

2.0

1.43

<0.001

Unadjusted odds ratio (95% CI)

-

1.37 (1.28–1.49)

1.00 [referent]

<0.001

Adjusted odds ratio (95% CI)

-

1.12 (1.05–1.20)

1.00 [referent]

0.001

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BMC Health Services Research

ISSN: 1472-6963

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