Underpowered observational studies create confusion regarding clinical impact of surgical interventions

Clin Cardiol. 2019 Apr;42(4):416. doi: 10.1002/clc.23149. Epub 2019 Feb 6.

Authors

Saurabh Gupta^{1

2}, Emilie P Belley-Côté^{2

3

4}, Richard P Whitlock^{1

2

4}

Affiliations

¹ Department of Surgery, McMaster University, Hamilton, Ontario, Canada.
² Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
³ Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
⁴ Population Health Research Institute, Hamilton, Ontario, Canada.

No abstract available

Publication types

Letter
Comment

MeSH terms

Anticoagulants
Atrial Appendage*
Atrial Fibrillation*
Case-Control Studies
Humans
Retrospective Studies
Stroke*

Substances

Anticoagulants