Help with level of evidence

Esme12, ASN, BSN, RN · Apr 18, 2013

We love helping with homework but we need your input first. Tell us what you think and start the dialog and we will chime in!

Chynna21 · Apr 18, 2013

Thanks, but I'm new to this and really don't understand how I work it out. Do you know of any sites that can help me with working this out.

Esme12, ASN, BSN, RN · Apr 18, 2013

Right.....well....what does your school tell you about ranking medical information? I am from the US and I found these resources on Google.

http://www.nhmrc.gov.au/_files_nhmrc/publications/attachments/cp69.pdf

http://www.nhmrc.gov.au/guidelines/resources-guideline-developers

http://www.nhmrc.gov.au/_files_nhmrc/publications/attachments/cp65.pdf

http://evidencebasedmedicine.com.au/?page_id=30

Level I

Evidence obtained from a systematic review of all relevant randomised controlled trials.

Level II

Evidence obtained from at least one properly designed randomised controlled trial.

Level III-1

Evidence obtained from well-designed pseudo-randomised controlled trials (alternate allocation or some other method).

Level III-2

Evidence obtained from comparative studies with concurrent controls and allocation not randomised (
cohort studies
),
case control studies
, or interrupted time series with a control group.

Level III-3

Evidence obtained from comparative studies with historical control, two or more single-arm studies, or interrupted time series without a parallel control group.

Level IV

Evidence obtained from
case series
, either post-test or pre-test and post-test.

http://www.joannabriggs.edu.au/Levels of Evidence FAME

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3053308/

http://www.biomedcentral.com/1471-2288/9/34