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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
Early vs late ureteric stent removal after kidney transplantation
Urinary tract infection: per‐urethral stents · kidney transplant recipients
Early versus late ureteric stent removal after kidney transplantation (2018) · Cochrane
RR 0.6 [0.17, 2.03]2 studies · 587 participantsLow
SGLT2 inhibitors vs placebo
HbA1c (%) HbA1c (mmol/mol) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted7 studies · 1092 participantsModerate
DPP‐4 inhibitors vs placebo
FBG (mmol/L) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted4 studies · 589 participantsLow
DPP‐4 inhibitors vs placebo
Death (all causes) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted6 studies · 4211 participantsLow
DPP‐4 inhibitors vs placebo
All cardiovascular death · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 5897 participantsModerate
DPP‐4 inhibitors vs placebo
Weight (kg) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 210 participantsModerate
DPP‐4 inhibitors vs placebo
eGFR (mL/min/1.73 m2) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted1 study · 130 participantsVery low
DPP‐4 inhibitors vs placebo
Hypoglycaemia · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted11 studies · 1443 participantsVery low
DPP‐4 inhibitors vs placebo
Discontinuation of medication due to adverse events · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted7 studies · 1257 participantsVery low
GLP‐1 agonists vs placebo
HbA1c (%) HbA1c (mmol/mol) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 283 participantsModerate
GLP‐1 agonists vs placebo
FBG (mmol/L) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted1 study · 231 participantsVery low
GLP‐1 agonists vs placebo
Death (all causes) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 301 participantsVery low
SGLT2 inhibitors vs placebo
FBG (mmol/L) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted5 studies · 855 participantsModerate
GLP‐1 agonists vs placebo
All cardiovascular death · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extractedNRNo studies
GLP‐1 agonists vs placebo
Weight (kg) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 303 participantsLow
GLP‐1 agonists vs placebo
eGFR (mL/min/1.73 m2) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted1 study · 279 participantsLow
GLP‐1 agonists vs placebo
Hypoglycaemia · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 303 participantsLow
GLP‐1 agonists vs placebo
Discontinuation of medication due to adverse events · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 303 participantsLow
Glitazone vs placebo
HbA1c (%) HbA1c (mmol/mol) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 88 participantsVery low
Glitazone vs placebo
FBG (mmol/L) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted5 studies · 233 participantsVery low
Glitazone vs placebo
Death (all causes) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted1 study · 52 participantsVery low
Glitazone vs placebo
All cardiovascular death · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extractedNRNo studies
Glitazone vs placebo
Weight (kg) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted5 studies · 222 participantsVery low
SGLT2 inhibitors vs placebo
Death (all causes) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted5 studies · 2933 participantsVery low
Glitazone vs placebo
eGFR (mL/min/1.73 m2) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extractedNRNo studies
Glitazone vs placebo
Hypoglycaemia · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 70 participantsVery low
Glitazone vs placebo
Discontinuation of medication due to adverse events · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted1 study · 63 participantsVery low
Sitagliptin vs glipizide
HbA1c (%) HbA1c (mmol/mol) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 398 participantsLow
Sitagliptin vs glipizide
FBG (mmol/L) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 397 participantsLow
Sitagliptin vs glipizide
Death (all causes) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 551 participantsVery low
Sitagliptin vs glipizide
All cardiovascular death · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extractedNRNo studies
Sitagliptin vs glipizide
Weight (kg) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 552 participantsLow
Sitagliptin vs glipizide
eGFR (mL/min/1.73 m2) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 552 participantsLow
Sitagliptin vs glipizide
Hypoglycaemia · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 551 participantsModerate
SGLT2 inhibitors vs placebo
All cardiovascular death · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted4 studies · 2788 participantsLow
Sitagliptin vs glipizide
Discontinuation of medication due to adverse events · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted2 studies · 551 participantsVery low
SGLT2 inhibitors vs placebo
Weight (kg) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted5 studies · 1029 participantsLow
SGLT2 inhibitors vs placebo
eGFR (mL/min/1.73 m2) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted4 studies · 848 participantsModerate
SGLT2 inhibitors vs placebo
Hypoglycaemia · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted7 studies · 3086 participantsLow
SGLT2 inhibitors vs placebo
Discontinuation of medication due to adverse events · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted4 studies · 917 participantsVery low
DPP‐4 inhibitors vs placebo
HbA1c (%) HbA1c (mmol/mol) · people with diabetes and CKD
Insulin and glucose‐lowering agents for treating people with diabetes and chronic kidney disease (2018) · Cochrane
no estimate extracted7 studies · 867 participantsLow
Oral or topical or intraperitoneal antibiotics vs placebo/no treatment
Peritonitis (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.82 [0.57, 1.19]5 studies · 395 participantsLow
Antifungal vs placebo/no treatment
Fungal peritonitis (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.28 [0.12, 0.63]2 studies · 817 participantsLow
Oral or topical or intraperitoneal antibiotics vs placebo/no treatment
Exit‐site/tunnel infection (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.45 [0.19, 1.04]3 studies · 191 participantsLow
Oral or topical or intraperitoneal antibiotics vs placebo/no treatment
Catheter removal or replacement (number of patients) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.82 [0.46, 1.46]5 studies · 395 participantsLow
Nasal antibiotics vs placebo/no treatment
Peritonitis (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.94 [0.67, 1.31]3 studies · 338 participantsLow
Nasal antibiotics vs placebo/no treatment
Exit‐site/ tunnel infection (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 1.34 [0.62, 2.87]3 studies · 338 participantsLow
Nasal antibiotics vs placebo/no treatment
Catheter removal or replacement (number of patients) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.92 [0.48, 1.78]2 studies · 289 participantsLow
Topical disinfectants vs standard care or other active treatment (antibiotic or other disinfectant)
Peritonitis (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.83 [0.65, 1.06]6 studies · 853 participantsLow
Topical disinfectants vs standard care or other active treatment (antibiotic or other disinfectant)
Exit‐site/tunnel infection (number of patients with one or more episodes) · patients with CKD on peritoneal dialysis
Antimicrobial agents for preventing peritonitis in peritoneal dialysis patients (2017) · Cochrane
RR 0.97 [0.74, 1.27]7 studies · 913 participantsLow