ACCP guidelines classification scheme

Overview
The Grading scheme is used to indicate whether a therapy is recommended or not according to the balance among benefits, risks, burdens, and possibly cost, and the degree of confidence in estimates of benefits, risks, and burdens.

Grading Scheme Classification

 * Grade 1: Strong recommendation
 * Grade 2: Weak recommendation

Level of Evidence
The level of evidence is classified according to the factors that include the study design, the consistency of the results, and the directness of the evidence.


 * Grade A: High
 * Grade B: Moderate
 * Grade C: Low

Resources
Grading Strength of Recommendations and Quality of Evidence in Clinical Guidelines