Patients who are eligible but not randomised should be included as additional comparative arm in study
Autor: | R. H. Grace, Rosemary Hittinger, L. Peter Fielding |
---|---|
Rok vydání: | 1999 |
Předmět: |
medicine.medical_specialty
education.field_of_study business.industry Medical record Population General Engineering Alternative medicine General Medicine Surgery Family medicine Inclusion and exclusion criteria medicine General Earth and Planetary Sciences Cluster randomised controlled trial business education General Environmental Science |
Zdroj: | BMJ. 318:874-874 |
ISSN: | 1468-5833 0959-8138 |
DOI: | 10.1136/bmj.318.7187.874a |
Popis: | EDITOR—Peto and Baigent state that we need to find ways of making trials much simpler and larger.1 We agree and have a suggestion based on 20 years' experience.2 Everyone is familiar with inclusion and exclusion criteria for randomised controlled trials. With rare exceptions, however, those patients who are eligible but not randomised are a forgotten part of the population; this presents a potentially large problem for all trials. The principal investigators of randomised controlled trials often find that the number of patients … |
Databáze: | OpenAIRE |
Externí odkaz: |