cut-off value
(cut-off point, cut point, threshold)
— 10451 views
“For diagnostic or screening tests, the value used to divide continuous results into categories; typically positive and negative” … (read more)
performance bias
— 9393 views
“Bias resulting from differences in the care provided to the participants in a study, other than the treatments being compared.” … (read more)
index test
— 8627 views
“A diagnostic test that is being evaluated against a reference standard test in a study of test accuracy” … (read more)
length-time bias
(length bias)
— 7239 views
“In screening, an apparent increase in survival due to detecting disease earlier than it would otherwise have been detected” … (read more)
systematic review
— 6417 views
“A summary of studies addressing a clear question, using systematic and explicit methods to identify, select, and critically appraise relevant studies, and to collect and analyse data from them” … (read more)
effect estimate
(effect size, estimate of effect, point estimate)
— 6180 views
“A statistical measure indicating the most likely size of a treatment effect” … (read more)
non-randomized study
(non-experimental study, observational study,)
— 5662 views
“A category of studies that does not use random allocation to assign participants to treatment comparison groups” … (read more)
allocation bias
(assignment bias, selection bias)
— 5445 views
“Bias resulting from the way participants in a study have been allocated to treatment comparison groups.” … (read more)
play of chance
(random error)
— 5445 views
“In treatment comparisons, a type of error that may affect the results because too few events or outcomes have been observed to provide a reliable measure of the treatment effects” … (read more)