Evidence-Based Medicine: Approach and References Classification


Article type

Definition

Basic science

Controlled experiment; independent variable affects a dependent variable in a laboratory setting

Basic science review

Review of basic science experiments

Clinical investigation

Controlled experiment; independent variable affects a dependent variable in a clinical setting

Clinical review

Review of clinical experiments or trials

Population/observational study

Draws inferences about a particular characteristic where the assignment of a treated and control group is outside the control of the investigator


Adapted from A Guide to Practitioner Research in Education by Menter et al. [3]. SAGE Publications Inc., Washington DC




Table 2.2
EBM level (1–5) and grade (A–C) classification of references
















Level

Adjustment

Description

1

A

Homogenous prospective, randomized controlled trials (RCT) or basic science (BS) with controls

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Aug 28, 2017 | Posted by in OTOLARYNGOLOGY | Comments Off on Evidence-Based Medicine: Approach and References Classification

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