In 2007, a major comparison of reading programs conducted by the Department of Education found that Voyager had "potentially negative effects," because students using it showed a decline in comprehension.
The first major comparison of outcome in the air transport of trauma patients was published by Baxt and Moody in 1983 [4].
The simultaneous availability of the complete genome sequences of two other trypanosomatids, T. brucei and L. major, allowed comparisons of the gene content and genome architecture of the three parasites and a better understanding of the genetic and evolutionary bases of the shared and distinct parasitic modes and lifestyles of these pathogens.
Major issues: Comparison of dependence of photopic and scotopic behavioral sensitivity on RGS concentration.
This is not necessarily a major problem for comparisons of homozygote frequencies between cases and controls if there is no expectation that incorrect calls will be more frequent among cases.
Use of home dialysis is growing in the United States, but few direct comparisons of major clinical outcomes on daily home hemodialysis (HHD) versus peritoneal dialysis (PD) exist.
The included studies basically report on commercially available implants from two major manufacturers and involve comparisons of different implant surface technologies in regard with topography and/or chemistry modifications within each implant system.
Another of the major challenges in international comparisons of IID incidence rates, regardless of the study design, is the variation in case definitions.
One major aspect complicating the comparisons of studies and potentially leading to such contradictory results is the wide variety of methodologies used to assess cognitive performance, such as a multitude of measuring tools and varying exposure conditions, which significantly hamper the interpretation of the results and comparisons among studies.
This classification, based on surgical aspects of endometriosis, allows the exploration and comparisons of major publications over a period of more than 30 years with the aim of evaluating whether endometriosis in the adolescent is a hidden, progressive and severe disease.
