| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10513813 | Journal of Clinical Epidemiology | 2015 | 9 Pages |
Abstract
Selection for elective procedures may introduce bias in prognostic features not accounted for by PS matching. Caution must be exercised when long-term outcomes are compared between surgical and nonsurgical groups in a population at risk for that surgical procedure.
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Authors
George Mnatzaganian, David C. Davidson, Janet E. Hiller, Philip Ryan,