The dangers of ignoring underlying trends in before-and-after studies – A cautionary tale using hip fracture mortality data
Background: Before-and-after studies are a valuable study design in situations where randomization is not feasible. These studies measure an outcome both before and after an intervention and compare the outcome rates in both time periods to determine the effectiveness of the intervention. Before-and...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
SAGE Publishing
2020-07-01
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Series: | Journal of Orthopaedic Surgery |
Online Access: | https://doi.org/10.1177/2309499020935996 |