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)
1. Study Purpose
7. Public
Report Name 8. Context:
Author, Year and/or a priori 2. Geographic 3. Study 4. Sample/ 5. Primary
and
Environment
(QA)
Hypothesis: Location design Population Comparison 6. Outcomes Description* Characteristics
Peterson
1998 35
To examine the
effects of provider
New York Interrupted
Time Series
All Medicare
patients age
2 yrs Pre-public
reporting: 1987-89
1. Percentage of
patients going out-
NY CSRS None
(Good) profiling on bypass
>=65 yrs who 2 yrs Post-public of-state for bypass
surgery access and
underwent reporting: 1990-92 surgery
outcomes in elderly
bypass surgery
2. Use of bypass
patients in New
between 1987
surgery following a
York
and 1992 in a
MI had declined in
US hospital.
NY’s elderly since
n=39,396 in NY
the initiation of
Hospitals
report cards
n=662,675 in
3. Whether bypass
non-NY (US)
surgery outcomes
were improving
more rapidly in NY
that in the rest of
the nation.
Pope
2009 36
Estimate the effect
of the US News
CA and rest of
USA
Time Series
Post Test
All hospitalized
Medicare
Comparing the
USNWR ranking by
Number of
patients (volume)
USNWR has
Specialty and
None
(Fair) and World
Only patients in specialty starting in and revenue Hospital-level
Report hospital
California 1993 to 1994-2002 in generated from data
rankings on both
(1998–2004) rest of the country patients.
patient volume and
and a sample of and 1998 to 2004 in
hospital revenues.
other hospitals
around the
country (1994–
2002)
N=446
California.
Romano
2004 37
To determine
whether hospitals
New York and
California
Times Series
Post Only
Outlier hospitals Pre: monthly volume
in New York and prior to report for
Volume: total CHOP (CA)
number of patients and CSRS
Both states require
public reporting
(Good) recognized as
California NY each specific hospital with a topic (NY)
performance
using CSRS Post: monthly volume condition or
outliers (either
report from for each specific procedure, or
lower or higher
December 1992, hospital up to a year related condition
than expected)
December 1993, later
or procedure, who
experience volume
and June
were admitted to a
changes after
1995CA using
specific hospital in
publication of a
CHOP report
a specific calendar
report card.
from December
1993 and from
month.
H1: Hospitals with
May 1996
CA Hospitals
lower-than-
volume by:
H-20