Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,805 questions · 2,912 findings · 307 reviews · Headline outcomes only

No studies found 706 · 24.2%GRADE not reported 133 · 4.6%Very low 786 · 27%Low 696 · 23.9%Moderate 474 · 16.3%High 117 · 4%

Intramedullary fixation vs open reduction and internal fixation with plate

Function (overall) Various tools · adults (aged ≥ 16 years) with acute middle third clavicle fractures

Intramedullary fixation may leads to higher function or disability (overall) Various tools (Constant score and… compared with open reduction and internal fixation with plate (low certainty).

1 finding from 1 review

Intramedullary fixation vs open reduction and internal fixation with plate

Pain ‐ using the section of Constant score Scale from 0 to 15; with 15 being the best positive score · adults (aged ≥ 16 years) with acute middle third clavicle fractures

It is very uncertain whether intramedullary fixation changes pain ‐ using the section of Constant score Scale from 0 to 15; with… compared with open reduction and internal fixation with plate (very low certainty).

1 finding from 1 review

Intramedullary fixation vs open reduction and internal fixation with plate

Treatment failure (participants who have a non‐routine secondary surgical intervention) ‐ Overall treatment failure · adults (aged ≥ 16 years) with acute middle third clavicle fractures

It is very uncertain whether intramedullary fixation changes treatment failure (participants who have a non‐routine secondary… compared with open reduction and internal fixation with plate (very low certainty).

1 finding from 1 review

Intramedullary fixation vs open reduction and internal fixation with plate

Clinical healing ‐ time to clinical/radiographic fracture consolidation (weeks) · adults (aged ≥ 16 years) with acute middle third clavicle fractures

It is very uncertain whether intramedullary fixation changes clinical healing ‐ time to clinical/radiographic fracture… compared with open reduction and internal fixation with plate (very low certainty).

1 finding from 1 review

Intramedullary fixation vs open reduction and internal fixation with plate

Adverse events ‐ total of adverse events (various: mainly infection; cosmetic result ‐ e.g. prominent metalwork ‐ and symptomatic hardware) · adults (aged ≥ 16 years) with acute middle third clavicle fractures

It is very uncertain whether intramedullary fixation changes adverse events ‐ total of adverse events (various: mainly infection;… compared with open reduction and internal fixation with plate (very low certainty).

1 finding from 1 review

NPPV vs oxygen therapy

Duration of ICU stay · adults (aged > 17 years) with acute respiratory failure after upper abdominal surgery

It is very uncertain whether noninvasive positive pressure ventilation (NPPV) changes ICU length of stay compared with oxygen therapy (very low certainty).

1 finding from 1 review

Helicopter emergency medical services vs ground emergency medical services

Overall unadjusted mortality · adults (age > 15 years) with major trauma (ISS > 15)

It is very uncertain whether helicopter emergency medical services changes overall unadjusted mortality compared with ground emergency medical services (very low certainty).

1 finding from 1 review

Viral influenza vaccine vs control

Infant death (up to 175 days) · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in infant death (up to 175 days) compared with control (moderate certainty).

1 finding from 1 review

Viral influenza vaccine vs control

Perinatal death (stillbirth + death in first week of life) · Pregnant women aged 18 to 38 years and an estimated gestation of 20 to 36 weeks.

Viral influenza vaccine showed no clear difference in perinatal death (stillbirth + death in first week of life) compared with control (moderate certainty).

1 finding from 1 review