… that were adjusted for, indicate how continuous variables were handled, and specify whether
the analysis was planned* or suggested by the data (Müllner M, Matthews H, Altman DG. …

… David Moher, Ken Schulz, and Doug Altman participated in regular conference calls, identified
participants, participated in the CONSORT meetings, and drafted the paper. David Moher …

Overwhelming evidence shows the quality of reporting of randomised controlled trials (RCTs)
is not optimal. Without transparent reporting, readers cannot judge the reliability and …

… taken by the Trump administration, writes Drew Altman Drew Altman president and CEO …
Drew Altman earned his PhD in political science at Massachusetts Institute of Technology and …

Flaws in the design, conduct, analysis, and reporting of randomised trials can cause the
effect of an intervention to be underestimated or overestimated. The Cochrane Collaboration’s …

Non-randomised studies of the effects of interventions are critical to many areas of healthcare
evaluation, but their results may be biased. It is therefore important to understand and …

Much biomedical research is observational. The reporting of such research is often
inadequate, which hampers the assessment of its strengths and weaknesses and of a study's …

… If there is a consistent bias we can adjust for it by subtracting d from the new method. For
the PEFR data the mean difference (large meter minus small meter) is - 2 - 1 1/min and s is 38’ …

OBJECTIVES: To consider methods and related evidence for evaluating bias in non-randomised
intervention studies. DATA SOURCES: Systematic reviews and methodological papers …

The PRISMA statement is a reporting guideline designed to improve the completeness of
reporting of systematic reviews and meta-analyses. Authors have used this guideline …