Table 2.
High | ⊕⊕⊕⊕ | Very confident that the true effect lies close to that of the estimate of the effect. |
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Moderate | ⊕⊕⊕◯ | Moderate confidence in the effect estimate. The true effect is likely to be close to the estimate of the effect, but there is a possibility that it is different. |
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Low | ⊕⊕◯◯ | Limited confidence in the effect estimate. The true effect may be substantially different from the estimate of the effect. |
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Very Low | ⊕◯◯◯ | Very little confidence in the effect estimate. The true effect is likely to be substantially different from the estimate of the effect. |
GRADE, Grading of Recommendations, Assessment, Development, and Evaluation.