The quality assessment of non-randomized studies is an important component of a thorough
meta-analysis of nonrandomized studies. Low quality studies can lead to a distortion of the …

OBJECTIVE: To find if a particular quality score was better than others at validly scoring the
quality of randomized controlled trials, both by examining the consistency of dividing studies …

One of the most important points in the meta-analyses is certainly represented by the
assessment of the quality of the studies included in such research. The meta-analyses are …

The Newcastle-Ottawa Scale (NOS) for Assessing the Quality of Nonrandomized Studies in
Meta- Analysis Background Page 1 The Newcastle-Ottawa Scale (NOS) for Assessing the Quality …

Meta-analysis is a method of synthesizing evidence from multiple sources. It has been
increasingly applied to combine results from randomized trials of therapeutic strategies …

The best evidence on the efficacy of medical interventions is provided by high-quality trials
summarized in high-quality systematic reviews or meta-analyses. The methodological …

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

Systematic reviews of randomized controlled trials and statistical combination of results from
different trials in meta-analysis have risen to such prominence that few question their …

OBJECTIVE: To test the feasibility of creating a valid and reliable checklist with the following
features: appropriate for assessing both randomised and non-randomised studies; provision …

Biases in systematic reviews and meta‐analyses may be examined in 'meta‐
epidemiological'studies, in which the influence of trial characteristics such as measures of …