Cochrane · systematic review · CD012616

Oral protein‐based supplements versus placebo or no treatment for people with chronic kidney disease requiring dialysis

Mah, JY, Choy, SW, Roberts, MA, et al. · Cochrane Database of Systematic Reviews · 2020 · Cochrane Library

Kidney and TransplantAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
17
current version
GRADE rated
14
No studies
1
Included studies
NR
No studies 1 · 5.9%Ungraded 2 · 11.8%Very low 6 · 35.3%Low 5 · 29.4%Moderate 3 · 17.6%High 0 · 0%

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.

Questions and results

Summary of findings Table 1

Population: people with CKD requiring dialysis
5 questions
OutcomeEffectEvidenceStatus / GRADE
Change in serum albumin
no estimate extracted16 studies · 790 participantsModerate
Downgraded: inconsistency
Serum albumin (end of intervention)
no estimate extracted14 studies · 715 participantsModerate
Downgraded: inconsistency
Serum prealbumin
no estimate extracted4 studies · 225 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Death
no estimate extractedNRNo studies
Intolerance to therapy ‐ Gastrointestinal intolerance
RR 2.81 [0.58, 13.65]6 studies · 426 participantsLow
Downgraded: risk of bias, imprecision, inconsistency

Summary of findings Table 2

Population: people with CKD requiring dialysis
6 questions
OutcomeEffectEvidenceStatus / GRADE
Weight
no estimate extracted8 studies · 365 participantsLow
Downgraded: risk of bias, inconsistency
Body mass index
no estimate extracted9 studies · 368 participantsModerate
Downgraded: risk of bias, imprecision, inconsistency
Triceps skinfold thickness
no estimate extracted6 studies · 367 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Mid‐arm circumference
no estimate extracted2 studies · 97 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency
Mid‐arm muscle circumference
no estimate extracted4 studies · 216 participantsLow
Downgraded: risk of bias, imprecision, inconsistency
Lean mass
no estimate extracted5 studies · 189 participantsLow
Downgraded: risk of bias, imprecision, inconsistency

Summary of findings Table 3

Population: people with CKD requiring dialysis
6 questions
OutcomeEffectEvidenceStatus / GRADE
Quality of life
no estimate extracted8 studies · 662 participantsUngraded
Cost
no estimate extracted4 studies · 117 participantsUngraded
CRP
no estimate extracted8 studies · 436 participantsVery low
Downgraded: risk of bias, imprecision, indirectness
IL‐6
no estimate extracted2 studies · 62 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness
Serum potassium
no estimate extracted7 studies · 357 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness
Serum phosphate
no estimate extracted7 studies · 403 participantsVery low
Downgraded: risk of bias, imprecision, inconsistency, indirectness