… However, healthcare recommendations derived from these meta-analyses may not be
trustworthy if based on the results of biased studies. This literature review aims to provide
an up-to-date summary of the state-of-the-art methods for integrating methodological quality
data into meta-analyses, also known as bias adjustment, as well as the strengths and
weaknesses of current methods. This is essential to ensure meta-analyses are conducted in
a way that produces trustworthy and valid results. … This integration is commonly referred …