Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,234 questions · 3,357 findings · 396 reviews

No studies found 803 · 23.9%GRADE not reported 270 · 8%Very low 757 · 22.5%Low 859 · 25.6%Moderate 486 · 14.5%High 182 · 5.4%

Perioperative chemotherapy vs primary surgery

Overall survival by chemo‐/radiotherapy ‐ Chemoradiotherapy · resectable adenocarcinoma of the stomach, gastroesophageal junction, and lower esophagus

Perioperative chemotherapy probably leads to lower overall survival by chemo‐/radiotherapy ‐ Chemoradiotherapy compared with primary surgery (moderate certainty).

1 finding from 1 review

Intervention not reported

Survival · patients with unresectable periampullary carcinoma

It is very uncertain whether the intervention changes survival (very low certainty).

1 finding from 1 review

Intervention not reported

Gastric outlet obstruction Clinical symptoms of vomiting with confirmation of the gastric outlet obstruction by radiological or endoscopic investigations · patients with unresectable periampullary carcinoma

It is very uncertain whether the intervention changes gastric outlet obstruction Clinical symptoms of vomiting with… (very low certainty).

1 finding from 1 review

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs paracetamol

Use of rescue medication · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline moderate to severe…

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) led to higher patients using rescue medication at 8 hours compared with paracetamol (acetaminophen) (single postoperative oral dose; 600 mg…; GRADE not reported.

1 finding from 1 review

Ibuprofen (single postoperative oral dose; 200 mg to 512 mg) vs paracetamol

Adverse events · Patients with pain after surgical removal of lower wisdom teeth (third molars) requiring bone removal or with baseline moderate to severe…
1 finding from 1 review