A Randomized Study

Does Adding Dexamethasone to Clomiphene Citrate Improve Ovulation in PCOS Patients? A Triple - Blind Randomized Clinical Trial Study

Important considerations in calculating and reporting of sample size in randomized controlled trials

Background: The calculation of the sample size is one of the most important steps in designing a randomized controlled trial. The purpose of this study is drawing the attention of researchers to the importance of calculating and reporting the sample size in randomized controlled trials.    Methods: We reviewed related literature and guidelines and discussed some important issues in s...

A Randomized Comparative Study Between Three Times And Five Times Weekly Phototherapy With NBUVB For Treating Chronic Plaque Type Psoriasis

Background: Psoriasis is a chronic inflammatory skin disease that is estimated to affect 0.6% to 4.8% of the general population. The optimum number of NB-UVB phototherapy sessions is yet to be determined. The aim of this study was to compare therapeutic effects of NB-UVB in treating chronic plaque type psoriasis three times weekly vs. five times weekly. Materials and Methods: This study was des...

Onm-3: Embryo Transfer Performed by a Midwifein a Prospective Randomized Study

More than 15 % of couples have infertility problems. Thecauses of infertility are equally distributed among men and women. Assisted reproduction is an option which can help many of these couples. Because of ongoing research and development of the infertility treatments the pregnancy outcome after in vitro fertilization can be increased. Embryo transfer (ET) has in the Nordic countries, by tradi...

Low Dose, Short-Term Iron Supplementation in Female Blood Donors of Childbearing Age: a Randomized, Double-Masked, Placebo-Controlled Study

: Iron supplementation for blood donors is a controversial concept. However, to maintain regular blood donors, as a source of blood supply, the present paradigm is not appropriate and dose not prevent harms to blood donors. Methods: A randomized, double-masked, placebo-controlled study, was conducted by enrolling 95 female regular blood donors of childbearing age (18-49 years). The participants...

Pamphlet as a tool for continuing medical education: performance assessment in a randomized controlled interventional study

  Background: Pamphlet is a tool used for distance continuous professional development programs. In this study, we assessed the impact of an educational pamphlet on improving prescription writing errors in general physicians’ performance.   Methods : In this randomized controlled interventional study, we prepared a training pamphlet according to the most prevalent prescription writing problems....