Fig 1.
PRISMA flowchart of the article selection process.
Table 1.
Basic characteristics of the studies included.
Fig 2.
Forest plot showing the odds of 5-year overall-survival rate among children with brain tumors treated with either PT or XRT.
OR: odds ratio, CI: confidence interval. Events means survival.
Fig 3.
Forest plot showing the ratio of odds of hypothyroidism (=event) among pediatric brain cancer patients treated with either PT or XRT.
OR: odds ratio (proton/photon), CI: confidence interval.
Fig 4.
Forest plot showing the mean difference of global IQ level among pediatric brain cancer patients treated with either PT or XRT.
MD: mean difference, CI: confidence interval.
Fig 5.
Forest plot showing the ratio of odds of acute side effects: nausea (a) and vomiting (b) (=events) among pediatric patients with brain tumors treated with PT or XRT.
OR: odds ratio (proton/photon), CI: confidence interval.
Fig 6.
Forest plot showing the ratio of odds of grade 3 anemia (=event) among pediatric patients with brain tumors treated with either PT or XRT.
OR: odds ratio (proton/photon), CI: confidence interval.