Quality Criteria
StudyPrimary care tool?Tested in secondary population?Population adequately described?Instrument adeqauately described?Appropriate criteria?Risk calculation adequately described?Results appropriately handled?Reference standard?Adequate sample size?Adequate duration of follow up?Quality Criteria
Gail, 198949YesNo*YesYesYesYesYesNo*YesYesGood
Costantino, 1999124YesYesYesYesYesYesYesYesYesYesGood
Rockhill, 2001122YesYesYesYesYesYesYesYesYesYesGood
Chlebowski, 2007125YesYesYesYesYesYesYesYesYesYesGood
Gail M, 2007126YesYesYesYesYesYesYesYesYesYesGood
Adams-Campbell, 2007127YesYesYesYesYesYesNRYesYesYesGood
DeCarli, 2006121YesYesYesYesYesYesYesYesYesYesGood
Boyle, 2004118DifficultYesYesYesYesYesYesYesYesYesFair
Chen, 2006128YesNo*YesYesYesYesYesYesYesYesGood
Barlow, 2006129YesNo*YesYesYesYesYesYesYesNoFair
Tice, 2008130YesNo*YesYesYesYesYesYesYesYesGood
Rockhill, 2003131YesYesYesYesYesYesYesNRYesYesGood
Colditz, 2000119YesNo*YesYesYesYesYesNRYesYesGood
Colditz, 2004120YesYesYesYesYesYesYesNRYesYesGood
Tyrer, 2004123YesNo*No*YesNoYesYesYesYesNRFair
Amir, 2003132YesYesNo§YesYesYesYesYesNoYesFair
*

Appropriate due to study purpose.

Logistically difficult due to an extensive dietary questionnaire.

Tyrer, 2004 did not use primary data.

§

Amir, 2003 did not use a primary care population.

From: Appendix C, Quality and Strength of Evidence Criteria and Rating

Cover of Comparative Effectiveness of Medications To Reduce Risk of Primary Breast Cancer in Women
Comparative Effectiveness of Medications To Reduce Risk of Primary Breast Cancer in Women [Internet].
AHRQ Comparative Effectiveness Reviews, No. 17.
Nelson HD, Fu R, Humphrey L, et al.

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