Error in sample size formula.
About: This article is published in Journal of Human Reproductive Sciences. The article was published on 01 Apr 2014. and is currently open access. The article focuses on the topics: Sample size determination.
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References
Sample Size Calculations for Randomized Controlled Trials
TL;DR: Analysis of statistical considerations in the choice of sample size and statistical power for randomized controlled trials suggests investigators should hesitate before embarking on a trial that is unlikely to detect a biologically reasonable effect of therapy.
Is routine diagnostic laparoscopy for infertility still justified? A pilot study assessing the use of hysterosalpingo-contrast sonography and magnetic resonance imaging.
TL;DR: The data suggest that women with normal HyCoSy and MRI findings have a normal pelvis and may not need routine surgical investigation.
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Magnetic resonance hysterosalpingography in the evaluation of tubal patency in infertile women: an observational study.
TL;DR: MR-HSG is a feasible, useful and well tolerated tool for the assessment of the uterus, fallopian tubes, ovaries and extra-uterine structures and is a new promising imaging approach to female infertility.
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A hybrid radiography/MRI system for combining hysterosalpingography and MRI in infertility patients: initial experience.
TL;DR: The authors' hybrid radiography/MRI system provided good-quality HSG and MR images and was able to assess tubal anatomy and patency and uterine anatomy and to detect pelvic abnormalities, including fibroids and adenomyosis.
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