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Ingrid Lönnstedt: What does the p-value mean?
The smaller the better, and preferably smaller than 0.05. A p-value smaller than 5% means that the treatment effect is statistically significant at 5% significance level. But what does that mean? Read Ingrid Lönnstedt´s column to learn more.
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Anna Törner: The clinical trial – Periscope to reality
What happens to the patients in the clinical trial is not very interesting, writes Anna Törner in a column.
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He saved lives with his theories – was ostracised and ended up in a mental hospital
Hungarian doctor Ignaz Semmelweis (1818-1865) undoubtedly possessed plenty of persistence, diligence and sound reasoning skills – but he was hardly blessed with luck and timing.
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