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Grade 2B recommendation

Grade 2B recommendation
A Grade 2B recommendation is a weak recommendation; alternative approaches may be better for some patients under some circumstances.
Explanation:
A Grade 2 recommendation is a weak recommendation. It means "this is our suggestion, but you may want to think about it." It is unlikely that you should follow the suggested approach in all your patients, and you might reasonably choose an alternative approach. For Grade 2 recommendations, benefits and risks may be finely balanced, or the benefits and risks may be uncertain. In deciding whether to follow a Grade 2 recommendation in an individual patient, you may want to think about your patient's values and preferences or about your patient's risk aversion.
Grade B means that the best estimates of the critical benefits and risks come from randomized, controlled trials with important limitations (eg, inconsistent results, methodologic flaws, imprecise results, extrapolation from a different population or setting) or very strong evidence of some other form. Further research (if performed) is likely to have an impact on our confidence in the estimates of benefit and risk, and may change the estimates.
Recommendation grades
  1. Strong recommendation: Benefits clearly outweigh the risks and burdens (or vice versa) for most, if not all, patients
  2. Weak recommendation: Benefits and risks closely balanced and/or uncertain

Evidence grades
  1. High-quality evidence: Consistent evidence from randomized trials, or overwhelming evidence of some other form
  2. Moderate-quality evidence: Evidence from randomized trials with important limitations, or very strong evidence of some other form
  3. Low-quality evidence: Evidence from observational studies, unsystematic clinical observations, or from randomized trials with serious flaws

For a complete description of our grading system, please see the UpToDate editorial policy.