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Empirical Evidence of Bias: Dimensions of Methodological Quality Associated With Estimates of Treatment Effects in Controlled Trials

✍ Scribed by Schulz, K. F.; Chalmers, I.; Hayes, R. J.; Altman, D. G.


Book ID
115483783
Publisher
American Medical Association
Year
1995
Tongue
English
Weight
963 KB
Volume
273
Category
Article
ISSN
0098-7484

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Empirical Evidence of Bias: Dimensions o
✍ Schulz, K. F.; Chalmers, I.; Hayes, R. J.; Altman, D. G. πŸ“‚ Article πŸ“… 1995 πŸ› American Medical Association 🌐 English βš– 963 KB

Objective.\p=m-\To determine if inadequate approaches to randomized controlled trial design and execution are associated with evidence of bias in estimating treat- ment effects. Design.\p=m-\An observational study in which we assessed the methodological quality of 250 controlled trials from 33 meta