Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,293 questions · 2,395 findings · 172 reviews · Gut

No studies found 420 · 17.5%GRADE not reported 60 · 2.5%Very low 821 · 34.3%Low 602 · 25.1%Moderate 397 · 16.6%High 95 · 4%

Intervention not reported

H. pylori eradication therapy versus no active treatment · people with Helicobacter pylori‐positive peptic ulcer

The intervention may leads to lower H. pylori eradication therapy versus no active treatment (low certainty).

1 finding from 1 review

Intervention not reported

H. pylori eradication therapy versus ulcer healing drug alone · prevention of recurrence in people with Helicobacter pylori‐positive peptic ulcer

It is very uncertain whether the intervention changes H. pylori eradication therapy versus ulcer healing drug alone (very low certainty).

1 finding from 1 review

Intervention not reported

H. pylori eradication therapy versus no active treatment · prevention of recurrence in people with Helicobacter pylori‐positive peptic ulcer

It is very uncertain whether the intervention changes H. pylori eradication therapy versus no active treatment (very low certainty).

1 finding from 1 review

Active cancer therapy combined with TCM vs active cancer therapy

Adverse events ‐ gastrointestinal reactions Diagnosed by clinicians · patients with oesophageal cancer

It is very uncertain whether active cancer therapy combined with TCM changes adverse events ‐ gastrointestinal reactions Diagnosed by clinicians compared with active cancer therapy (very low certainty).

1 finding from 1 review

Active cancer therapy combined with TCM vs active cancer therapy

Adverse events ‐ renal and hepatic impairment ‐ Fuzheng Guben granules · patients with oesophageal cancer

Active cancer therapy combined with TCM may leads to lower adverse events ‐ renal and hepatic impairment ‐ Fuzheng Guben granules compared with active cancer therapy (low certainty).

1 finding from 1 review

Active cancer therapy combined with TCM vs active cancer therapy

Adverse events ‐ renal and hepatic impairment‐ Xiaoaiping Diagnosed by clinicians · patients with oesophageal cancer

Active cancer therapy combined with TCM showed no clear difference in adverse events ‐ renal and hepatic impairment‐ Xiaoaiping Diagnosed… compared with active cancer therapy (low certainty).

1 finding from 1 review

Active cancer therapy combined with TCM vs active cancer therapy

Adverse events ‐ white blood cell descent Diagnosed by clinicians · patients with oesophageal cancer

It is very uncertain whether active cancer therapy combined with TCM changes adverse events ‐ white blood cell descent Diagnosed by clinicians compared with active cancer therapy (very low certainty).

1 finding from 1 review