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Table 2 The GRADE criteria

From: Characteristics and efficacy of physical activity interventions to improve cardiometabolic and psychosocial outcomes in people living with HIV in sub-Saharan Africa: a protocol for a systematic review

High

We are very confident that the true effect lies close to that of the estimate of the effect

Moderate

We are moderately confident 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 substantially different

Low

Our confidence in the effect estimate is limited: the true effect may be substantially different from the estimate of the effect

Very low

We have very little confidence in the effect estimate: the true effect is likely to be substantially different from the estimate of effect