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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,434 questions in 139 reviews · Kidney and Transplant

current versions
No studies 504 · 20.7%Ungraded 40 · 1.6%Very low 611 · 25.1%Low 790 · 32.5%Moderate 414 · 17%High 75 · 3.1%

Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.

QuestionEffectEvidenceStatus / GRADE
Intravenous ± oral steroids vs oral steroids alone
Complete remission Time frame: 2 to 28 months · minimal change disease in adults with nephrotic syndrome
Interventions for minimal change disease in adults with nephrotic syndrome (2022) · Cochrane
RR 1.76 [0.17, 18.32]2 studies · 35 participantsVery low
Intravenous ± oral steroids vs oral steroids alone
Complete or partial remission · minimal change disease in adults with nephrotic syndrome
Interventions for minimal change disease in adults with nephrotic syndrome (2022) · Cochrane
no estimate extractedNRNo studies
Intravenous ± oral steroids vs oral steroids alone
Relapse during · minimal change disease in adults with nephrotic syndrome
Interventions for minimal change disease in adults with nephrotic syndrome (2022) · Cochrane
RR 1.18 [0.65, 2.15]1 study · 19 participantsVery low
Cyclosporin vs different comparators
Complete remission of proteinuria · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
RR 2.31 [1.13, 4.73]4 studies · 231 participantsLow
Cyclosporin vs different comparators
Partial remission of proteinuria · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
RR 1.36 [0.78, 2.39]4 studies · 231 participantsLow
Cyclosporin vs different comparators
Complete or partial remission · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
RR 1.64 [1.1, 2.44]4 studies · 231 participantsLow
Cyclosporin vs different comparators
Chronic kidney disease · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
RR 0.83 [0.35, 1.96]4 studies · 231 participantsLow
Cyclosporin vs different comparators
Kidney failure · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
RR 0.55 [0.15, 2]4 studies · 231 participantsLow
Cyclosporin vs different comparators
Adverse effects: hypertension · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
no estimate extracted2 studies · 187 participantsVery low
Cyclosporin vs different comparators
Adverse effects: infection · adults with FSGS
Interventions for focal segmental glomerulosclerosis in adults (2022) · Cochrane
no estimate extracted2 studies · 157 participantsLow
Antiplatelet agents vs control
Fatal or nonfatal myocardial infarction · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 0.88 [0.79, 0.99]18 studies · 15289 participantsModerate
Antiplatelet agents vs control
Fatal or nonfatal stroke · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 1.01 [0.64, 1.59]12 studies · 10382 participantsVery low
Antiplatelet agents vs control
Death (any cause) · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 0.94 [0.84, 1.06]35 studies · 18241 participantsLow
Antiplatelet agents vs control
Cardiovascular death · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 0.87 [0.65, 1.15]21 studies · 9606 participantsVery low
Antiplatelet agents vs control
Major bleeding · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 1.35 [1.1, 1.65]29 studies · 16194 participantsModerate
Antiplatelet agents vs control
Minor bleeding · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 1.55 [1.27, 1.9]21 studies · 13218 participantsLow
Antiplatelet agents vs control
Early access thrombosis (before 8 weeks) · people with chronic kidney disease (predialysis (GFR 15 to 60 mL/min/1.73 m²), HD, PD, transplant recipients)
Antiplatelet agents for chronic kidney disease (2022) · Cochrane
RR 0.52 [0.38, 0.7]8 studies · 1525 participantsLow
Early vs standard initiation of kidney replacement therapy (KRT)
Death at day 30Â · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 0.97 [0.87, 1.09]12 studies · 4826 participantsLow
Early vs standard initiation of kidney replacement therapy (KRT)
Length of stay in hospital · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
no estimate extracted7 studies · 4589 participantsModerate
Subgroup analyses: early vs standard initiation of kidney replacement therapy (KRT)
Death by AKI aetiology: non‐surgical causes · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.01 [0.94, 1.09]9 studies · 4461 participantsModerate
Subgroup analyses: early vs standard initiation of kidney replacement therapy (KRT)
Death by AKI aetiology: surgical causes · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 0.65 [0.31, 1.36]3 studies · 365 participantsLow
Subgroup analyses: early vs standard initiation of kidney replacement therapy (KRT)
Kidney recovery functionby KRT: continuous KRT · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.42 [0.99, 2.03]6 studies · 583 participantsModerate
Subgroup analyses: early vs standard initiation of kidney replacement therapy (KRT)
Kidney recovery functionby KRT: continuous and intermittent KRT · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 0.96 [0.91, 1.02]4 studies · 4134 participantsModerate
Early vs standard initiation of kidney replacement therapy (KRT)
Death after 30 days · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 0.99 [0.92, 1.07]7 studies · 4534 participantsModerate
Early vs standard initiation of kidney replacement therapy (KRT)
Death or non‐recovery of kidney function Time frame: day 90 · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 0.91 [0.74, 1.11]6 studies · 4011 participantsLow
Early vs standard initiation of kidney replacement therapy (KRT)
Recovery of kidney function Patients free from KRT according to ITT analysis (all patients) · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.07 [0.94, 1.22]10 studies · 4717 participantsLow
Early vs standard initiation of kidney replacement therapy (KRT)
Adverse events: hypophosphataemia · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.8 [1.33, 2.44]1 study · 2927 participantsHigh
Early vs standard initiation of kidney replacement therapy (KRT)
Adverse events: hypotension · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.54 [1.29, 1.85]5 studies · 3864 participantsHigh
Early vs standard initiation of kidney replacement therapy (KRT)
Adverse events: cardiac‐rhythm disorder · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.35 [1.04, 1.75]6 studies · 4483 participantsHigh
Early vs standard initiation of kidney replacement therapy (KRT)
Adverse events: infection · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
RR 1.33 [1, 1.77]5 studies · 4252 participantsHigh
Early vs standard initiation of kidney replacement therapy (KRT)
Length of stay in ICU · AKI
Timing of kidney replacement therapy initiation for acute kidney injury (2022) · Cochrane
no estimate extracted5 studies · 4240 participantsModerate
Educational interventions vs usual care
Knowledge: kidney disease‐related knowledge · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted14 studies · 2632 participantsLow
Self‐management training vs usual care
Self‐efficacy · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted5 studies · 417 participantsLow
Self‐management training vs usual care
QoL · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted9 studies · 1470 participantsLow
Self‐management training vs usual care
Death · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted1 study · 89 participantsUngraded
Self‐management training vs usual care
eGFR · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted3 studies · 855 participantsModerate
Self‐management training vs usual care
Hospitalisation · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted2 studies · 285 participantsLow
Educational interventions and self‐management training vs usual care
Knowledge: kidney disease‐related knowledge · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted15 studies · 2185 participantsLow
Educational interventions and self‐management training vs usual care
Self‐care behaviours: self‐report questionnaires (higher is better) · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted4 studies · 913 participantsLow
Educational interventions and self‐management training vs usual care
Self‐efficacy: self‐report questionnaires (higher is better) · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted8 studies · 687 participantsLow
Educational interventions and self‐management training vs usual care
QoL: SF‐12, SF‐36, KDQoL · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted14 studies · 3848 participantsLow
Educational interventions and self‐management training vs usual care
Death · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
RR 0.73 [0.53, 1.02]4 studies · 2801 participantsModerate
Educational interventions vs usual care
Self‐care behaviour · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted60 participantsLow
Educational interventions and self‐management training vs usual care
eGFR: mL/min/1.73 m² · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted4 studies · 618 participantsLow
Educational interventions and self‐management training vs usual care
Hospitalisations · people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted5 studies · 3110 participantsLow
Educational interventions vs usual care
Self‐efficacy · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted2 studies · 579 participantsVery low
Educational interventions vs usual care
QoL · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted5 studies · 573 participantsVery low
Educational interventions vs usual care
Death · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted2 studies · 908 participantsLow
Educational interventions vs usual care
eGFR: mL/min/1.73 m² · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted1 study · 573 participantsModerate
Educational interventions vs usual care
Duration of hospital stayTime frame: days · Improving health outcomes in people with CKD
Interventions for improving health literacy in people with chronic kidney disease (2022) · Cochrane
no estimate extracted2 studies · 621 participantsModerate