Alpha Errors, Beta Errors and Negative Trials
Reports of negative trials arc increasing in number as standard therapy for many gastrointestinal diseases is refined. The validity of a negative report depends on the number of patients in the trial, the alpha and bern error and the difference in efficacy which the trial is able to detect. The rela...
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| Main Author: | |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
1988-01-01
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| Series: | Canadian Journal of Gastroenterology |
| Online Access: | http://dx.doi.org/10.1155/1988/523841 |
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