Cochrane · systematic review · CD013047

Long‐term neurocognitive and other side effects of radiotherapy, with or without chemotherapy, for glioma

Lawrie, TA, Gillespie, D, Dowswell, T, et al. · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

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
8
current version
GRADE rated
8
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 5 · 62.5%Low 3 · 37.5%Moderate 0 · 0%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

Comparison

Population: people with glioma surviving at least two years
8 questions
OutcomeEffectEvidenceStatus / GRADE
Intervention: radiotherapy Comparison: no adjuvant treatment Outcome: neurocognitive impairment at 5‐ to 6‐year
RR 1.38 [0.92, 2.06]1 study · 195 participantsVery low
Downgraded: imprecision
Intervention: radiotherapy Comparison: no adjuvant treatment Outcome: neurocognitive impairment at 12 year
RR 1.95 [1.02, 3.71]1 study · 65 participantsVery low
Downgraded: imprecision
Intervention: radiotherapy Comparison: no adjuvant treatment Outcome: neurocognitive impairment at 2 year
RR 2.5 [0.11, 56.98]1 study · 31 participantsVery low
Downgraded: imprecision
Intervention: radiotherapy Comparison: chemotherapy Outcome: neurocognitive impairment at 3 year
RR 1.43 [0.36, 5.7]1 study · 117 participantsLow
Downgraded: imprecision
Intervention: high‐dose radiotherapy Comparison: low‐dose radiotherapy Outcome: neurocognitive impairment at 2 years after treatment
RR 0.53 [0.06, 4.85]1 study · 65 participantsVery low
Downgraded: imprecision
Intervention: high‐dose radiotherapy Comparison: low‐dose radiotherapy Outcome: neurocognitive impairment at 5 years after treatment
RR 0.16 [0.01, 3.2]1 study · 38 participantsVery low
Downgraded: imprecision
Intervention: chemoradiotherapy Comparison: radiotherapy Outcome: neurocognitive impairment at 3 years after treatment
RR 0.37 [0.02, 8.88]1 study · 91 participantsLow
Downgraded: imprecision
Intervention: stereotactic conformal radiotherapy Comparison: radiotherapy Outcome: neurocognitive impairment at 5 years after treatment
RR 4.62 [0.25, 86.72]1 study · 23 participantsLow
Downgraded: imprecision