I read the paper by Igase et al. [
[1]
], conducting a cross-sectional study of 116 elderly first-time ischemic stroke patients.
They were classified into three groups; 57 patients with deep or infratentorial cerebral
microbleeds (CMBs), 17 patients with lobar CMBs, and 42 patients without CMBs. I have
some concerns on their statistical procedures.To read this article in full you will need to make a payment
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References
- Deep cerebral microbleeds are negatively associated with HDL-C in elderly first-time ischemic stroke patients.J Neurol Sci. 2013; 325: 137-141
- A modified approach to estimating sample size for simple logistic regression with one continuous covariate.Stat Med. 2010; 29: 97-107
- A simulation study of the number of events per variable in logistic regression analysis.J Clin Epidemiol. 1996; 49: 1373-1379
Article info
Publication history
Published online: August 26, 2013
Accepted:
August 5,
2013
Received:
June 30,
2013
Identification
Copyright
© 2013 Elsevier B.V. Published by Elsevier Inc. All rights reserved.
