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What do systematic reviews say?

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Evidence found and GRADE certainty

401 questions · 403 findings · 75 reviews · Headline outcomes only

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No studies found 79 · 19.6%GRADE not reported 18 · 4.5%Very low 91 · 22.6%Low 110 · 27.3%Moderate 79 · 19.6%High 26 · 6.5%

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Progression‐free survival · palliative participants with esophageal and GE‐junction carcinoma

Summary of findings table: chemotherapy or targeted therapy agent(s)… probably leads to lower progression‐free survival compared with control intervention alone (moderate certainty).

1 finding from 1 review

Summary of findings table (subcomparison 3): chemotherapy agent(s) plus control intervention vs control intervention

Toxicity · palliative participants with esophageal and GE‐junction carcinoma

It is very uncertain whether summary of findings table (subcomparison 3): chemotherapy agent(s)… changes toxicity compared with control intervention alone (very low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 4): targeted therapy agent plus control intervention vs control intervention

Overall survival · palliative participants with esophageal and GE‐junction carcinoma

Summary of findings table (subcomparison 4): targeted therapy agent… leads to lower overall survival compared with control intervention alone (high certainty).

1 finding from 1 review

Summary of findings table (subcomparison 4): targeted therapy agent plus control intervention vs control intervention

Progression‐free survival · palliative participants with esophageal and GE‐junction carcinoma

Summary of findings table (subcomparison 4): targeted therapy agent… probably leads to lower progression‐free survival compared with control intervention alone (moderate certainty).

1 finding from 1 review

Summary of findings table (subcomparison 4): targeted therapy agent plus control intervention vs control intervention

Toxicity · palliative participants with esophageal and GE‐junction carcinoma

It is very uncertain whether summary of findings table (subcomparison 4): targeted therapy agent… changes toxicity compared with control intervention alone (very low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Overall survival · palliative participants with AC of the esophagus

Summary of findings table (subcomparison 5): chemotherapy or… leads to lower overall survival compared with control intervention alone (high certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Progression‐free survival · palliative participants with AC of the esophagus

It is very uncertain whether summary of findings table (subcomparison 5): chemotherapy or… changes progression‐free survival compared with control intervention alone (very low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Toxicity · palliative participants with AC of the esophagus

It is very uncertain whether summary of findings table (subcomparison 5): chemotherapy or… changes toxicity compared with control intervention alone (very low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Toxicity · palliative participants with esophageal and GE‐junction carcinoma

It is very uncertain whether summary of findings table: chemotherapy or targeted therapy agent(s)… changes toxicity compared with control intervention alone (very low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Overall survival · palliative participants with SCC of the esophagus

Summary of findings table (subcomparison 6): chemotherapy or… leads to lower overall survival compared with control intervention alone (high certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Progression‐free survival · palliative participants with SCC of the esophagus

It is very uncertain whether summary of findings table (subcomparison 6): chemotherapy or… changes progression‐free survival compared with control intervention alone (very low certainty).

1 finding from 1 review

Summary of findings table (subcomparison 5): chemotherapy or targeted therapy agent(s) plus control intervention vs control intervention

Toxicity · palliative participants with SCC of the esophagus

It is very uncertain whether summary of findings table (subcomparison 6): chemotherapy or… changes toxicity compared with control intervention alone (very low certainty).

1 finding from 1 review

Back school + other treatment vs other treatment alone

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · participants with acute or subacute low‐back pain
2 findings from 1 review