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Table 2 Summary of findings table

From: Natural killer cell levels in adults living with type 2 diabetes: a systematic review and meta-analysis of clinical studies

T2D compared to control group
Patient or population: Adult individuals (> 18 years)
Exposure: T2D
Comparison: Non-diabetic (control)
Outcome: Levels of peripheral blood natural killer cells
Outcomes Anticipated absolute effects* (95% CI) Relative effect (95% CI) № of participants (studies) Certainty of the evidence (GRADE) Comments
Risk with Control Risk with T2D
Levels of peripheral blood natural killer cells   The mean levels in the exposure group was 0.03 higher (−3.20, 3.26) 1164 (6 observational studies) oo LOW  
*The risk in the intervention group (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; MD: Mean difference; OR: Odds ratio; NE: Not estimable
GRADE Working Group grades of evidence
High certainty: We are very confident that the true effect lies close to that of the estimate of the effectModerate certainty: 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 certainty: Our confidence in the effect estimate is limited: The true effect may be substantially different from the estimate of the effectVery low certainty: We have very little confidence in the effect estimate: The true effect is likely to be substantially different from the estimate of effect