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Table 2 Study design and quality assessment of selected articles

From: The effectiveness of computerized clinical guidelines in the process of care: a systematic review

Quality assessment

Authors

Year of publication

Rivista

Study Design

Method of allocation to study group

Data analysis and results

Presence of baseline differences between groups potentially linked to study outcome

Type of outcome measure

Completeness of follow-up

Total

Burack

1997

Medical Care

Experimental

2

2

2

2

2

10

Burack

1994

Medical Care

Experimental

2

2

2

2

2

10

Butzlaff

2003

Family Practice

Experimental

2

1

2

0

2

7

Cannon

2000

JAMIA

Experimental

2

2

2

1

2

9

Carton

2002

Clinical Radiology

Observational (time series)

0

1

0

2

2

5

Dayton

2000

Medical Decision Making

Experimental

2

1

0

0

2

5

Demakis

2000

JAMA

Experimental

2

2

2

2

2

10

Derose

2005

American Journal Manag Care

Experimental

2

1

0

2

2

7

Dexter

2001

New England Journal of Medicine

Experimental

2

2

2

2

2

10

Durieux

2000

JAMA

Observational (time series)

0

1

1

2

2

6

Feldman

2005

Health Services Research

Experimental

1

1

2

1

2

7

Feldstein

2006

Journal American Geriatric Soc

Experimental

2

1

2

2

2

9

Filippi

2003

Diabetes Care

Experimental

2

1

0

2

2

7

Fitzamaurice

2000

Arch Intern Med

Experimental

2

1

2

1

2

8

Frank

2004

Australia

Experimental

1

1

2

2

2

8

Hetlevik

1999

Scand J Health Care

Experimental

2

1

2

2

1

8

Hetlevik

2000

Int J Technol Assess Health Care

Experimental

2

1

2

2

0

7

Jousimaa

2002

Int J Technol Assess Health Care

Experimental

2

1

2

2

1

8

Kitahata

2003

Clinical Infectious Disease

Observational (before and after)

0

1

2

2

2

7

Kucher

2005

The New England Journal of medicine

Experimental

2

1

0

2

2

7

Lafata

2002

JGIM

Experimental

2

2

2

2

2

10

Lobach

1997

Am J Med

Experimental

2

0

2

2

2

8

Raebel

2005

Arch Intern Med

Experimental

2

1

2

2

2

9

McCowan

2001

Medical Informatics

Experimental

2

2

2

1

0

7

McMullin

2004

Annals of Family Medicine

Observational (retrospective cohort study)

0

1

0

2

2

5

Medow

2001

Medical Decision Making

Experimental

2

2

0

0

2

6

Meigs

2003

Diabetes Care

Experimental

2

1

2

2

2

9

Montgomery

2000

BMJ

Experimental

2

2

2

1

1

8

Mosen

2004

Chest

Observational (before and after)

0

2

2

2

2

8

Murtaugh

2005

Health Services Research

Experimental

2

1

2

1

2

8

Overhage

1996

Arch Intern Med

Experimental

1

2

2

2

2

9

Overhage

1997

JAMIA

Experimental

2

1

2

2

2

9

Poller

1993

J Clin Pathol

Experimental

2

2

1

2

2

9

Rood

2005

JAMIA

Experimental

2

2

1

2

2

9

Rossi

1997

JGIM

Experimental

2

1

2

2

2

9

Safran

1995

Lancet

Experimental

0

2

2

2

2

8

Schriger

1997

JAMA

Observational (interrupted time series)

1

1

2

2

2

8

Sequist

2005

JAMIA

Experimental

2

1

2

2

2

9

Shojonia

1998

JAMIA

Experimental

2

2

0

2

2

8

Steele

2005

American Journal of Preventive Medicine

Experimental

0

1

0

2

2

5

Thomas

1999

J Med Internet Res

Experimental

2

1

0

1

2

6

Tierney

2003

JGIM

Experimental

2

1

2

2

2

9

Turner

1994

Arch Intern Med

Experimental

2

1

2

2

1

8

Williams

1998

Arch Fam Med

Experimental

2

1

0

2

2

7

Zanetti

2003

Infection control and hospital epidemiology

Experimental

2

2

2

2

2

10

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BMC Health Services Research

ISSN: 1472-6963

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