Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
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) or https:// means you've safely
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Grading for the strength of recommendation
| Strength of recommendation | Grading | Note |
|---|---|---|
| Strongly recommended | Grade A | Positive rating is ahead for the 4 items below † |
| Weakly recommended | Grade B | Negative rating is ahead for the 4 items below † |
Certainty of overall evidence, balance of benefits and harms, patient preferences and values; and costs.
