Cochrane · systematic review · CD013224

Protons versus photons for the treatment of chordoma

El Sayed, I, Trifiletti, DM, Lehrer, EJ, et al. · Cochrane Database of Systematic Reviews · 2021 · 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
4
current version
GRADE rated
4
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 4 · 100%Low 0 · 0%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

Protons compared to photons for the treatment of chordoma

Population: adults with chordoma
4 questions
OutcomeEffectEvidenceStatus / GRADE
Local control (
Protons vs photons
HR 5.34 [0.66, 43.43]39 participantsVery low
Downgraded: risk of bias, imprecision
Mortality (
Protons vs photons
HR 0.44 [0.13, 1.57]65 participantsVery low
Downgraded: risk of bias, imprecision
Recurrence (
Protons vs photons
HR 0.34 [0.1, 1.17]81 participantsVery low
Downgraded: risk of bias, imprecision
Treatment‐related toxicity
Protons vs photons
RR 1.28 [0.17, 9.86]1 study · 33 participantsVery low
Downgraded: risk of bias, imprecision