Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,584 questions · 3,695 findings · 567 reviews

No studies found 784 · 21.2%GRADE not reported 308 · 8.3%Very low 1,036 · 28%Low 971 · 26.3%Moderate 440 · 11.9%High 156 · 4.2%

Hyperbaric oxygen vs Normobaric Oxygen (NBO)

Presence of symptoms or signs at time of primary analysis (4‐6 weeks) · patients with carbon monoxide poisoning

It is very uncertain whether hyperbaric Oxygen (HBO) changes presence of symptoms or signs at time of primary analysis (4‐6 weeks) compared with normobaric Oxygen (NBO) (very low certainty).

1 finding from 1 review

Summary of findings table (sensitivity analysis): interventions esophageal and GE‐junction carcinoma vs gastric carcinoma

Studies with gastric cancer participants in addition to eligible participants · palliative participants with esophageal and GE‐junction carcinoma or gastric carcinoma

Summary of findings table (sensitivity analysis): interventions… showed no clear difference in studies with gastric cancer participants in addition to eligible… compared with gastric carcinoma; GRADE not reported.

1 finding from 1 review

Summary of findings table (sensitivity analysis): interventions esophageal and GE‐junction carcinoma vs gastric carcinoma

Sensitivity analysis, only gastric cancer participants · palliative participants with esophageal and GE‐junction carcinoma or gastric carcinoma

Summary of findings table (sensitivity analysis): interventions… showed no clear difference in sensitivity analysis, only gastric cancer participants compared with gastric carcinoma; GRADE not reported.

1 finding from 1 review