Large trials or meta-analysis? That is not the question.
Villar José, Piaggio Gilda·Best practice & research. Clinical obstetrics & gynaecology
Selection and evaluation of evidence to identify the most effective treatment modalities is a difficult process. Randomized controlled trials are well accepted as the least biased means of evaluating medical, surgical, screening or preventive manoeuvres. The most commonly used statistical strategy to pool results from…