Results 231 to 240 of about 3,462,089 (291)

Clinical Impact of MGMT Promoter Methylation in IDH‐Mutant Gliomas: Influence of Threshold Selection and Clinical Confounding

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background The clinical relevance of MGMT promoter methylation in IDH‐mutant gliomas remains controversial in the era of molecular classification. We aimed to systematically evaluate its clinical relevance by integrating quantitative assessment, cutoff exploration, and adjustment for clinical confounding.
Haihui Jiang   +7 more
wiley   +1 more source

Development and validation of measurement instruments for Ayurveda research: A systematic review protocol. [PDF]

open access: yesJ Ayurveda Integr Med
Anagha MS   +5 more
europepmc   +1 more source

Ultra-Processed Food-Rich Dietary Proxies, Dietary-Pattern Context, and Cardiometabolic Outcomes in Spain: Weighted Evidence Consistent with Age Confounding and Possible Reverse-Causality Bias from the 2023 Spanish Health Survey. [PDF]

open access: yesNutrients
Cuadrado-Corrales N   +9 more
europepmc   +1 more source

Test for item bias in a quality of life questionnaire

Journal of Clinical Epidemiology, 1995
Item bias (differential item functioning) analysis examines whether the construction of an index from two or more variables results in bias in relation to sex, age, or other criteria. Item bias may lead to erroneous conclusions because of distortion or dilution of the effects measured.
Svend Kreiner   +2 more
exaly   +3 more sources

Item Response Bias in Angler Expenditures

Journal of Leisure Research, 1992
Item response bias associated with the reporting of recreation-related expenditures was examined in a survey of anglers fishing in New York State.
Tommy L Brown, Nancy A Connelly
exaly   +2 more sources

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