Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,695 questions · 4,979 findings · 433 reviews

No studies found 998 · 20%GRADE not reported 1,140 · 22.9%Very low 1,024 · 20.6%Low 1,029 · 20.7%Moderate 636 · 12.8%High 152 · 3.1%

Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)

Pain at 3 to 6 months Scale from: 0 (no pain) to 10 (worse pain) · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2 to 3 weeks in two…

It is very uncertain whether summary of findings: Knee orthosis (any type) and exercise changes pain score (VAS) Scale from: 0 to 10 (higher scores mean worse pain) compared with control (exercise only) (very low certainty).

1 finding from 1 review

Summary of findings: Knee orthosis (any type) and exercise vs control (exercise only)

Functional outcomes · Adults (recruited from health clinics or military recruits) with PFPS (duration of symptoms ranged from acute, under 2 to 3 weeks in two…

It is very uncertain whether summary of findings: Knee orthosis (any type) and exercise changes functional outcomes Scale various 2 compared with control (exercise only) (very low certainty).

1 finding from 1 review

Intervention not reported

Evidence of immunologic tolerance · adults with food allergy to fruits

The review found no eligible studies for this question.

1 finding from 1 review

Ultrasound or Doppler guidance vs anatomical landmarks

Complication rate total · patients with the need for subclavian vein cannulation for central vein catheterization

It is very uncertain whether ultrasound or Doppler guidance changes complication rate total compared with anatomical landmark (very low certainty).

1 finding from 1 review

Ultrasound or Doppler guidance vs anatomical landmarks

Overall success rate · patients with the need for subclavian vein cannulation for central vein catheterization

Ultrasound or Doppler guidance showed no clear difference in overall success rate compared with anatomical landmark (low certainty).

1 finding from 1 review

Ultrasound or Doppler guidance vs anatomical landmarks

Other complications (thrombosis, embolism, haematomediastinum and hydromediastinum, haematothorax and hydrothorax, pneumothorax, subcutaneous emphysema, nerve injury) · patients with the need for subclavian vein cannulation for central vein catheterization

It is very uncertain whether ultrasound or Doppler guidance changes other complications (thrombosis, embolism, haematomediastinum and… compared with anatomical landmark (very low certainty).

1 finding from 1 review

Ultrasound or Doppler guidance vs anatomical landmarks

First‐attempt success rate · patients with the need for subclavian vein cannulation for central vein catheterization

Ultrasound or Doppler guidance showed no clear difference in success with attempt number 1 compared with anatomical landmark (high certainty).

1 finding from 1 review

Intervention not reported

At least 50% of maximum pain relief over 4 to 6 h · Adults with acute pain

The intervention probably leads to higher at least 50% of maximum pain relief over 4 to 6 h (moderate certainty).

1 finding from 1 review