Comparative effectiveness research includes cohort studies and registries of interventions. When investigators design such studies, how important is it to follow patients from the day they initiated treatment with the study interventions? Our article considers this question and related issues to start a dialogue on the value of the incident user design in comparative effectiveness research. By ...

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A total of 197 multidose injectable vials were collected from 10 different nursing stations and evaluated for sterility. Experimental contamination studies were undertaken, and the cost-effectiveness of multidose vials was compared with that of single-dose vials. Our results showed that bacterial contamination of multidose injectable vials was not a significant hazard; in addition, contrary to ...

The literature is full of new biomarkers which are claimed to add to the laboratory repertoire in a range of conditions. The literature is often confusing and may be contradictory. The past 20 years is littered with publications claiming the next big thing in a biomarker, some of which have been implemented on high throughput laboratory platforms. The number of novel biomarkers which have reach...

Background: Other than the UK, The Netherlands has no formal threshold for cost-per-QALY values defined yet. For example, a cutoff value at €20,000 per QALY is sometimes mentioned in various discussions, however it has no formal status at all. Yet, since 2005, all new innovative do have to go through a cost-effectiveness evaluation though, with the assessment being focused on the methodology ra...

OBJECTIVES This study assessed the relative effectiveness and cost effectiveness of television, radio and print advertisements to generate calls to the New York smokers' quitline. METHODS Regression analysis was used to link total county level monthly quitline calls to television, radio and print advertising expenditures. Based on regression results, standardised measures of the relative effe...

The present text provides information regarding introductory concept of wireless power transfer through some of the existing technologies and evaluate its quality factor as well as deals with certain methods of improving the efficiency of wireless power transfer. Its figure of merit, transfer loss, quality factor and efficiency been calculated and analysed. Keywords—wireless network devices, po...