Prepared for:
Agency for Health Care Research and Quality
U.S. Department of Health and Human Services
540 Gaither Road
Rockville, MD 20850
www.ahrq.gov
Contract No. 290-02-0024, Task Order Number 2
Prepared by:
Oregon Evidence-based Practice Center
Center for Health Research
3800 North Interstate Avenue
Portland, OR 97227
Investigators:
Selvi Williams, MD, MPH
Evelyn Whitlock, MD, MPH
Paula Smith, RN, BSN,
Beth Edgerton, MD, MPH
Tracy Beil, MS
AHRQ Publication No. 07-05103-EF-1
August 2007
This report is based on research conducted by the Oregon Evidence-based Practice
Center (EPC) under contract to the Agency for Healthcare Research and Quality
(AHRQ), Rockville, MD (Contract No. 290-02-0024).
The findings and conclusions in this document are those of the author(s), who are
responsible for its content, and do not necessarily represent the views of AHRQ. No
statement in this report should be construed as an official position of AHRQ or of
the U.S. Department of Health and Human Services.
The information in this report is intended to help clinicians, employers,
policymakers, and others make informed decisions about the provision of health care
services. This report is intended as a reference and not as a substitute for
clinical judgment.
This report may be used, in whole or in part, as the basis for the development of
clinical practice guidelines and other quality enhancement tools, or as a basis for
reimbursement and coverage policies. AHRQ or U.S. Department of Health and Human
Services endorsement of such derivative products may not be stated or implied.
Prepared for:
Agency for Health Care Research and Quality
U.S. Department of Health and Human Services
540 Gaither Road
Rockville, MD 20850
www.ahrq.gov
Contract No. 290-02-0024, Task Order Number 2
Prepared by:
Oregon Evidence-based Practice Center
Center for Health Research
3800 North Interstate Avenue
Portland, OR 97227
Investigators:
Selvi Williams, MD, MPH
Evelyn Whitlock, MD, MPH
Paula Smith, RN, BSN,
Beth Edgerton, MD, MPH
Tracy Beil, MS
AHRQ Publication No. 07-05103-EF-1
August 2007
This report is based on research conducted by the Oregon Evidence-based Practice
Center (EPC) under contract to the Agency for Healthcare Research and Quality
(AHRQ), Rockville, MD (Contract No. 290-02-0024).
The findings and conclusions in this document are those of the author(s), who are
responsible for its content, and do not necessarily represent the views of AHRQ. No
statement in this report should be construed as an official position of AHRQ or of
the U.S. Department of Health and Human Services.
The information in this report is intended to help clinicians, employers,
policymakers, and others make informed decisions about the provision of health care
services. This report is intended as a reference and not as a substitute for
clinical judgment.
This report may be used, in whole or in part, as the basis for the development of
clinical practice guidelines and other quality enhancement tools, or as a basis for
reimbursement and coverage policies. AHRQ or U.S. Department of Health and Human
Services endorsement of such derivative products may not be stated or implied.