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Vurdering af systematiske oversigtsartikler og kliniske guidelines

Vurdering af systematiske oversigtsartikler og kliniske guidelines

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Evidenshierarki<br />

Styrke Design<br />

1a. SR/MA <strong>af</strong> RCT´s<br />

1b. RCT<br />

1c. All or none<br />

2a. SR <strong>af</strong> kohorte studier<br />

2b. Kohorte studier <strong>og</strong> low<br />

quality RCT<br />

2c. Database studier<br />

3a. SR <strong>af</strong> Case-Controlus.<br />

3b. Case-Control<br />

4. Case series, low quality Kohorte<br />

& C-C<br />

5. Ekspertvurdering

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