Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,038 questions · 2,118 findings · 339 reviews

No studies found 323 · 15.3%GRADE not reported 166 · 7.8%Very low 552 · 26.1%Low 592 · 28%Moderate 340 · 16.1%High 145 · 6.8%

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Quality of life · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

Any intervention to manage relapse: fixed options (labial braces, lingual braces, fixed lingual wire) or removable options (Hawley's retainer with spring elastomeric module, Bloore removable aligner, other Hawley's retainer modifications, Invisalign, Clearstep) vs no intervention or another intervention

Adverse effects including pain, gingivitis, enamel decalcification and root resorption · Participants who previously underwent orthodontic treatment, with subsequent crowding (relapse) of the lower front teeth (lower incisors…

The review found no eligible studies for this question.

1 finding from 1 review

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

Patients not using rescue medication at 6 hours · 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) leads to higher patients not using rescue medication at 6 hours compared with paracetamol (acetaminophen) (single postoperative oral dose; 600 mg… (high certainty).

1 finding from 1 review

Infraclavicular block vs all other brachial plexus blocks

Adequate surgical anaesthesia ‐ At 30 minutes post‐block assessment interval · patients with regional anaesthesia of the lower arm

infraclavicular block showed no clear difference in adequate surgical anaesthesia ‐ At 30 minutes post‐block assessment… compared with all other brachial plexus blocks (high certainty).

1 finding from 1 review

Infraclavicular block vs all other brachial plexus blocks

Supplementation required for surgical anaesthesia · patients with regional anaesthesia of the lower arm

infraclavicular block showed no clear difference in supplementation required to achieve adequate surgical anaesthesia compared with all other brachial plexus blocks (high certainty).

1 finding from 1 review

Perioperative chemotherapy vs primary surgery

Overall survival among all patients · resectable adenocarcinoma of the stomach, gastroesophageal junction, and lower esophagus

Perioperative chemotherapy leads to lower overall survival among all patients compared with primary surgery (high certainty).

1 finding from 1 review

Perioperative chemotherapy vs primary surgery

Presence of tumor‐free resection margin · resectable adenocarcinoma of the stomach, gastroesophageal junction, and lower esophagus

Perioperative chemotherapy showed no clear difference in presence of tumor‐free resection margin compared with primary surgery (moderate certainty).

1 finding from 1 review

Perioperative chemotherapy vs primary surgery

Tumor stage at resection (T0 to T2 vs T3 to T4) · resectable adenocarcinoma of the stomach, gastroesophageal junction, and lower esophagus

Perioperative chemotherapy probably leads to higher tumor stage at resection (T0 to T2 vs T3 to T4) compared with primary surgery (moderate certainty).

1 finding from 1 review

Perioperative chemotherapy vs primary surgery

Tumor stage at resection (N0 vs N+) · resectable adenocarcinoma of the stomach, gastroesophageal junction, and lower esophagus

Perioperative chemotherapy may leads to higher tumor stage at resection (N0 vs N+) compared with primary surgery (low certainty).

1 finding from 1 review