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5. Public Reporting as a Quality Improvement Strategy

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Table H1. Hospital quantitative studies: columns 1-8 of 18 (pages H-1 to H-18) (continued)<br />

Author, Year<br />

(QA)<br />

1. Study Purpose<br />

and/or a priori<br />

Hypothesis:<br />

expected mortality<br />

or complication<br />

rates experience<br />

significant volume<br />

incre<strong>as</strong>es, and<br />

hospitals with<br />

higher-thanexpected<br />

mortality<br />

or complication<br />

rates experience<br />

significant volume<br />

decre<strong>as</strong>es in the<br />

year after<br />

publication of a<br />

report card.<br />

H2: Hospitals with<br />

lower-thanexpected<br />

mortality<br />

or complication<br />

rates attract more<br />

patients from long<br />

distances, or from<br />

outside their usual<br />

catchment are<strong>as</strong>,<br />

after a report is<br />

published. Labeled<br />

<strong>as</strong> “byp<strong>as</strong>s effect,”<br />

and vice versa for<br />

higher-thanexpected<br />

hospitals.<br />

2. Geographic<br />

Location<br />

3. Study<br />

design<br />

4. Sample/<br />

Population<br />

<strong>5.</strong> Primary<br />

Comparison 6. Outcomes<br />

AMI,<br />

AMI-related<br />

procedures<br />

(CABG,<br />

Percutaneous<br />

coronary<br />

angiopl<strong>as</strong>ty,<br />

congestive heart<br />

failure),<br />

Cervical<br />

Diskectomy,<br />

Lumbar<br />

Diskectomy,<br />

Diskectomyrelated<br />

(Back or<br />

neck procedures,<br />

Medical back<br />

problems, Knee<br />

arthropl<strong>as</strong>ty, Hip<br />

arthropl<strong>as</strong>ty)<br />

H-21<br />

NY Hospitals<br />

monthly volume<br />

by:<br />

CABG<br />

CABG-related<br />

procedures (AMI,<br />

Percutaneous<br />

coronary<br />

angiopl<strong>as</strong>ty,<br />

Congestive heart<br />

failure)<br />

7. <strong>Public</strong><br />

Report Name<br />

and<br />

Description*<br />

8. Context:<br />

Environment<br />

Characteristics

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