Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,072 questions · 4,237 findings · 447 reviews · Headline outcomes only

No studies found 946 · 22.3%GRADE not reported 257 · 6.1%Very low 1,121 · 26.5%Low 1,207 · 28.5%Moderate 568 · 13.4%High 138 · 3.3%

Laminectomy plus radiotherapy vs radiotherapy

Ambulation · adults with metastatic extradural spinal cord compression (single lesion, no prior radiotherapy, fit for surgery)

It is very uncertain whether laminectomy plus radiotherapy changes ambulation At four months compared with radiotherapy (very low certainty).

1 finding from 1 review

Laminectomy plus radiotherapy vs radiotherapy

Survival At four months · adults with metastatic extradural spinal cord compression (single lesion, no prior radiotherapy, fit for surgery)

It is very uncertain whether laminectomy plus radiotherapy changes survival At four months compared with radiotherapy (very low certainty).

1 finding from 1 review

Laminectomy plus radiotherapy vs radiotherapy

Reduced use of analgesics · adults with metastatic extradural spinal cord compression (single lesion, no prior radiotherapy, fit for surgery)

It is very uncertain whether laminectomy plus radiotherapy changes reduction in analgesic use compared with radiotherapy (very low certainty).

1 finding from 1 review

Laminectomy plus radiotherapy vs radiotherapy

Urinary continence One month after radiation · adults with metastatic extradural spinal cord compression (single lesion, no prior radiotherapy, fit for surgery)

It is very uncertain whether laminectomy plus radiotherapy changes urinary continence One month after treatment compared with radiotherapy (very low certainty).

1 finding from 1 review

Endoscopy vs surgery

Relief of pain · participants with painful obstructive chronic pancreatitis

Endoscopy probably leads to higher pain relief ‐ middle‐term compared with surgery (moderate certainty).

2 findings from 1 review