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. 2019 Dec 16;2019(12):CD004290. doi: 10.1002/14651858.CD004290.pub3

Summary of findings 4. Target of rapamycin inhibitors (TOR‐I) versus antimetabolites: secondary outcomes for primary immunosuppression in kidney transplant recipients.

TOR‐I compared to antimetabolites: outcomes to 2 years (secondary outcomes) for primary immunosuppression in kidney transplant recipients
Patient or population: primary immunosuppression in kidney transplant recipients
 Setting: kidney transplant units
 Intervention: TOR‐I
 Comparison: antimetabolites
Outcomes (up to 2 years for secondary outcomes) Anticipated absolute effects* (95% CI) Relative effect
 (95% CI) No. of participants
 (studies) Certainty of the evidence
 (GRADE)
Risk with antimetabolites Risk with TOR‐I
New‐onset diabetes mellitus 85 per 1,000 103 per 1,000
 (86 to 124) RR 1.28, (1.07 to 1.54) 8728 (23) ⊕⊕⊕⊝
 MODERATE 1
BK virus infection 84 per 1,000 52 per 1,000
 (42 to 64) RR 0.62
 (0.50 to 0.76) 5152 (12) ⊕⊕⊕⊕
 HIGH
GFR (mL/min) The mean GFR was 2.89 mL/min lower with TOR‐I (4.91 lower to 0.88 lower) than with antimetabolites ‐‐ 7099 (25) ⊕⊕⊕⊝
 MODERATE 2
Hypercholesterolaemia 102 per 1,000 187 per 1,000
 (151 to 229) RR 1.83
 (1.48 to 2.25) 5725 (12) ⊕⊕⊝⊝
 LOW 1 2
Hypertriglyceridaemia 143 per 1,000 212 per 1,000
 (180 to 249) RR 1.48
 (1.26 to 1.74) 4698 (9) ⊕⊕⊕⊝
 MODERATE1
Leucopenia 123 per 1,000 50 per 1,000
 (38 to 65) RR 0.43
 (0.33 to 0.56) 8396 (15) ⊕⊕⊝⊝
 LOW 1 2
Thrombocytopenia 33 per 1,000 65 per 1,000
 (46 to 92) RR 1.96
 (1.38 to 2.79) 5028 (8) ⊕⊕⊝⊝
 LOW 1 3
*The risk in the intervention group (and its 95% CI) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
 
 CI: Confidence interval; RR: Risk ratio; GFR: glomerular filtration rate
GRADE Working Group grades of evidenceHigh certainty: We are very confident that the true effect lies close to that of the estimate of the effect
 Moderate 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 effect
 Very 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

1 Funnel plot shows few studies reporting participants without events suggesting publication bias

2 Significant heterogeneity between studies

3 Few events with wide confidence intervals