Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

35 questions · 35 findings · 3 reviews

No studies found 0 · 0%GRADE not reported 4 · 11.4%Very low 10 · 28.6%Low 15 · 42.9%Moderate 3 · 8.6%High 3 · 8.6%

SUMMARY OF FINDINGS FOR DECOMPRESSION vs fusion

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · patients with lumbar stenosis

It is very uncertain whether SUMMARY OF FINDINGS FOR DECOMPRESSION changes pain Long‐term (≥ 12 months) Pain scores converted to 0 to 100 scale… compared with FUSION (very low certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs fusion

Disability Long‐term (≥ 12 months) Disability scores converted to 0 to 100 scale to allow for comparison of different disability scales (RMDQ, ODI, JOA) · patients with lumbar stenosis

It is very uncertain whether SUMMARY OF FINDINGS FOR DECOMPRESSION changes disability Long‐term (≥ 12 months) Disability scores converted to 0… compared with FUSION (very low certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs INTERSPINOUS SPACERS

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · patients with lumbar stenosis

SUMMARY OF FINDINGS FOR DECOMPRESSION showed no clear difference in pain Long‐term (≥ 12 months) Pain scores converted to 0 to 100 scale… compared with INTERSPINOUS SPACERS (moderate certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs INTERSPINOUS SPACERS

Disability Long‐term (≥ 12 months) Disability scores converted to 0 to 100 scale to allow for comparison of different disability scales (RMDQ, ODI, JOA) · patients with lumbar stenosis

SUMMARY OF FINDINGS FOR DECOMPRESSION showed no clear difference in disability Long‐term (≥ 12 months) Disability scores converted to 0… compared with INTERSPINOUS SPACERS (low certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs medical treatment

Death or severe disability (mRS > 4) at 6 to 12 months · malignant cerebral oedema after ischaemic stroke

Summary of findings table ‐ surgical decompression leads to lower death or severe disability (mRS > 4) at 6 to 12 months compared with medical treatment alone (high certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs medical treatment

Death or moderate disability (mRS > 3) at 6 to 12 months · malignant cerebral oedema after ischaemic stroke

Summary of findings table ‐ surgical decompression probably leads to lower death or moderate disability (mRS > 3) at 6 to 12 months compared with medical treatment alone (moderate certainty).

1 finding from 1 review

SUMMARY OF FINDINGS FOR DECOMPRESSION vs medical treatment

Severe disability (mRS = 5) at 6 to 12 months · malignant cerebral oedema after ischaemic stroke

Summary of findings table ‐ surgical decompression showed no clear difference in severe disability (mRS = 5) at 6 to 12 months compared with medical treatment alone (low certainty).

1 finding from 1 review

Summary of findings: bilateral laminotomy vs conventional laminectomy

Disability Long‐term (≥ 12 months) Disability scores converted to 0 to 100 scale to allow for comparison of different disability scales (RMDQ, ODI, JOA) · patients with lumbar stenosis

It is very uncertain whether summary of findings: bilateral laminotomy changes standardized Disability Index (0 to 100) Bilateral laminotomy… compared with conventional laminectomy (very low certainty).

1 finding from 1 review

Summary of findings: unilateral laminotomy vs conventional laminectomy

Disability Long‐term (≥ 12 months) Disability scores converted to 0 to 100 scale to allow for comparison of different disability scales (RMDQ, ODI, JOA) · patients with lumbar stenosis

Summary of findings: unilateral laminotomy showed no clear difference in standardised Disability Index (0 to 100) Unilateral laminotomy… compared with conventional laminectomy (low certainty).

1 finding from 1 review

Summary of findings: split‐spinous process laminotomy vs conventional laminectomy

Disability Long‐term (≥ 12 months) Disability scores converted to 0 to 100 scale to allow for comparison of different disability scales (RMDQ, ODI, JOA) · patients with lumbar stenosis

Summary of findings: split‐spinous process laminotomy showed no clear difference in standardised Disability Index (0 to 100) Split‐spinous process… compared with conventional laminectomy (low certainty).

1 finding from 1 review