2-12 Single studies can be misleading

A single comparison of treatments rarely provides conclusive evidence and results are often available from other comparisons of the same treatments. These other comparisons may have different results or may help to provide more reliable and precise estimates of the effects of treatments.

The results of single comparisons of treatments can be misleading. Consider all of the relevant fair comparisons.

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Sunn Skepsis

Denne portalen er ment å gi deg som pasient råd om kvalitetskriterier for helseinformasjon og tilgang til forskningsbasert informasjon.

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How Science Works

Definitions of terms that students have to know for 'How Science Works' and associated coursework, ISAs, etc

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Goldilocks

Cartoon and blog about how poorly performed systematic reviews and meta-analyses may misrepresent the truth.

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Forest Plot Trilogy

Synthesising the results of similar but separate fair comparisons (meta-analysis) may help by yielding statistically more reliable estimates

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Psychiatric disorders

Regrettably, research is not always well done or relevant. Take the example of a distressing condition known as tardive dyskinesia. […]

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Pre-eclampsia in pregnant women

Another outstanding example of good research concerns pregnant women. Worldwide, about 600,000 women die each year of pregnancy-related complications. Most […]

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Stroke

Stroke is a leading cause of death and long-term disability. The death rate is between one in six and two […]

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Is one study ever enough?

The simple answer is ‘hardly ever’. Very seldom will one fair treatment comparison yield sufficiently reliable evidence on which to […]

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