Phase III, Randomized Study of the Effects of Parenteral Iron, Oral Iron, or No Iron Supplementation on the Erythropoietic Response to Darbepoetin Alfa for Patients With Chemotherapy-Associated Anemia ...

Case-control studies are among the most commonly used means of assessing association between exposure and outcome. Sample size determination and the optimal control-to-case ratio are vital to the ...

The accuracy and reproducibility of research studies are a major concern of the scientific community. Researchers at Baylor College of Medicine have examined this problem in the field of multisensory ...

Sample size determination is an important component of study design and can frequently be addressed using the multinomial probability model. The sample size determination procedures of Tortora and ...

Reporting of sample size calculations was also lacking. Twelve RCTs specified QOL as a primary end point; however, only seven detailed the sample size calculation. There was no consistent basis for ...