Methodological quality of randomised controlled trials comparing short-term results of laparoscopic and conventional colorectal resection

Abstract

Randomised, controlled trials (RCT) and systematic reviews of RCT with meta-analysis are considered to be of highest methodological quality and therefore are given the highest level of evidence (Ia/b). Although, “low-quality” RCT may be downgraded to level of evidence IIb, the methodological quality of each individual RCT is not respected in detail in this… (More)
DOI: 10.1007/s00384-007-0318-7

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