What the Grades Mean
||The USPSTF recommends the service. There is high certainty that the net benefit is substantial.
||The USPSTF recommends the service. There is high certainty that the net benefit is moderate or there is moderate certainty that the net benefit is moderate to substantial.
||The USPSTF recommends against routinely providing the service. There may be considerations that support providing the service in an individual patient. There is at least moderate certainty that the net benefit is small.
||The USPSTF recommends against the service. There is moderate or high certainty that the service has no net benefit or that the harms outweigh the benefits.
||The USPSTF concludes that the current evidence is insufficient to assess the balance of benefits and harms of the service. Evidence is lacking, of poor quality, or conflicting, and the balance of benefits and harms cannot be determined.
The USPSTF provides plain language text to explain their letter grades.
Both A and B are recommended services. Services that are not recommended are graded D and I indicates insufficient evidence to provide a recommendation. C is of particular interest because it identifies a service that is not generally recommended but may apply to an individual patient, thus, requiring the healthcare provider to make a clinical decision concerning the benefit for the individual.
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