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This article was published in the following journal.
Name: BJU international
We thank Dr Crowson for her interest in our study and for her comment.(1,2) Immortal time bias is an important issue in observational research and can lead to large biases and misinterpretation of res...
Gwinnutt et al. reported a trend toward reduced mortality risk in the early treatment group and a significant reduction in mortality in the late treatment group compared to the never treated group am...
In arthroplasty data, patients with staged bilateral total joint arthroplasty (TJA) pose a problem in statistical analysis. Subgroup analysis, in which patients with unilateral and bilateral TJA are s...
Immortal time bias (ITB) is still seen frequently in medical literature. However, not much is known about this bias in the field of cancer (pharmaco-)epidemiology. In context of a hypothetical benefic...
PET CT is one of the imaging tools that are used for staging of urological malignancies. C11 Choline is a novel isotope with the advantage of its minimal secretion in the urine. This adva...
The purpose of this study is to determine whether computer bias modification for interpretation bias (CBM-I) is effective in the reduction of suicidal ideation in substance use disorders.
Although negatively biased attention has a central theoretical and empirical role in the maintenance of depression, there are few behavioral treatments that successfully target and improve...
The most used airway management strategies are different types of supraglottic airway devices (SAD) for transurethral resection of bladder and ureteroscopy in urological surgery . Classica...
Randomized, placebo-controlled trial of 9 sessions of computerized attentional bias training on attentional bias and on symptoms of Posttraumatic Stress Disorder.
The influence of study results on the chances of publication and the tendency of investigators, reviewers, and editors to submit or accept manuscripts for publication based on the direction or strength of the study findings. Publication bias has an impact on the interpretation of clinical trials and meta-analyses. Bias can be minimized by insistence by editors on high-quality research, thorough literature reviews, acknowledgement of conflicts of interest, modification of peer review practices, etc.
Any deviation of results or inferences from the truth, or processes leading to such deviation. Bias can result from several sources: one-sided or systematic variations in measurement from the true value (systematic error); flaws in study design; deviation of inferences, interpretations, or analyses based on flawed data or data collection; etc. There is no sense of prejudice or subjectivity implied in the assessment of bias under these conditions.
Adverse of favorable selection bias exhibited by insurers or enrollees resulting in disproportionate enrollment of certain groups of people.
The introduction of error due to systematic differences in the characteristics between those selected and those not selected for a given study. In sampling bias, error is the result of failure to ensure that all members of the reference population have a known chance of selection in the sample.
The ability to estimate periods of time lapsed or duration of time.