5. Public Reporting as a Quality Improvement Strategy

Table H1. Hospital quantitative studies: columns 1-8 of 18 (pages H-1 to H-18) (continued)
Author, Year
(QA)
Romano
2004 37
(Good)
Cont.
Romano,
2011 38
(Fair)
1. Study Purpose
and/or a priori
Hypothesis:
H3: Hospitals with
lower-thanexpected
mortality
or complication
rates lead to an
increased volume
of clinically related
conditions or
procedures, and
vice versa for
higher-thanexpected
hospitals.
H4: Certain
sociodemographic
groups are more
likely to hear about
the release of a
hospital report card
and are better able
tor more likely to
use this information
to select a hospital
than other groups.
To evaluate the
impact of 3 reports
from the voluntary
CA CABG Mortality
Reporting Program
on hospital market
share, hospital
mortality, and
patient selection for
coronary artery
bypass graft
surgery.
After Public
Reporting:
H1: Low mortality
outliers would
2. Geographic
Location
3. Study
design
California Multiple
Group Time
Series.
4. Sample/
Population
Hospitals in
California that
perform isolated
CABG
surgeries:
2001: N=79
hospitals
2003: N=70
2005: N=77
5. Primary
Comparison 6. Outcomes
Pre and post public
data reporting for
three data release
time points, July
2001, August 2003,
and February 2005
H-22
Change in
Hospital Market
Share: The
difference in each
hospital’s market
share between the
6 month periods
immediately after
and before
release of a
report. Market
share is
determined by
dividing its number
of CABG surgery
discharges by the
total number of
7. Public
Report Name
and
Description*
California
CABG
Mortality
Reporting
Program
reports risk
adjusted
operative
mortality for
surgeons and
hospitals
performing
isolated CABG
surgery.
8. Context:
Environment
Characteristics
None