in combination with randomization, blinding or masking is an important factor in randomized controlled trials (rcts), particularly in trials that assess therapeutic effects. here an attempt is made to explain blindness and why it is important. in clinical trials, blinding is defined as the condition imposed on a study in which study participants, health care providers and assessors collecting o...

background: the aim of the study was assessment of defaults and conducted meta-analysis of the efficacy of single-dose oral albendazole against t. trichiura infection. methods: we searched pubmed, isi web of science, science direct, the cochrane central register of controlled trials, and who library databases between 1983 and 2014. data from 13 clinical trial ar­ticles were used. each article w...

esearchers in the field of financial economics have long recognized the importance of measuring the risk of a portfolio of financial assets or securities. Indeed, concerns go back at least four decades, when Markowitz’s pioneering work on portfolio selection (1959) explored the appropriate definition and measurement of risk. In recent years, the growth of trading activity and instances of finan...

AbstractBreast cancer is a multifactorial disease. Benign breast disease (BBD) is one of the most important risk factors for breast cancer. The etiology of BBD is unknown. It is divided into nonproliferative and proliferative diseases. The selection of studies will be based on titles, abstract screening, inclusion and exclusion criteria, and quality assessment. Previous studies have shown that ...

I n the current issue of the European Respiratory Journal, LEE et al. [1] have done excellent work developing and validating a risk equation for incident pulmonary arterial hypertension (PAH) patients in the UK. In addition, they have very helpfully summarised the differences and similarities between the newly developed Scottish composite score (SCS) and other contemporary PAH survival equation...