Findings

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Evidence found and GRADE certainty

28 questions · 28 findings · 2 reviews · Back and Neck

No studies found 0 · 0%GRADE not reported 1 · 3.6%Very low 10 · 35.7%Low 14 · 50%Moderate 2 · 7.1%High 1 · 3.6%

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: 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

Summary of findings: bilateral laminotomy vs conventional laminectomy

Satisfactory recovery Bilateral laminotomy compared with conventional laminectomy Satisfactory recovery was defined as 'good' or 'excellent' self‐perceived recovery · patients with lumbar stenosis

Summary of findings: bilateral laminotomy may leads to higher satisfactory recovery Bilateral laminotomy compared with… compared with conventional laminectomy (low certainty).

1 finding from 1 review

Summary of findings: bilateral laminotomy vs conventional laminectomy

VAS leg (0 to 10) Bilateral laminotomy compared with conventional laminectomy · patients with lumbar stenosis

It is very uncertain whether summary of findings: bilateral laminotomy changes VAS leg (0 to 10) Bilateral laminotomy compared with conventional… compared with conventional laminectomy (very low certainty).

1 finding from 1 review

Summary of findings: bilateral laminotomy vs conventional laminectomy

VAS back (0 to 10) Unilateral laminotomy compared with conventional laminectomy · patients with lumbar stenosis

Summary of findings: bilateral laminotomy showed no clear difference in VAS back (0 to 10) Unilateral laminotomy compared with conventional… compared with conventional laminectomy (low certainty).

1 finding from 1 review

Summary of findings: bilateral laminotomy vs conventional laminectomy

Incidence of postoperative instability · patients with lumbar stenosis

Summary of findings: bilateral laminotomy may leads to lower incidence of postoperative instability compared with conventional laminectomy (low certainty).

1 finding from 1 review

Summary of findings: bilateral laminotomy vs conventional laminectomy

Incidence of perioperative complications · patients with lumbar stenosis

Summary of findings: bilateral laminotomy showed no clear difference in incidence of perioperative complications compared with conventional laminectomy (low certainty).

1 finding from 1 review

Summary of findings: unilateral laminotomy vs conventional laminectomy

VAS back (0 to 10) Unilateral laminotomy compared with conventional laminectomy · patients with lumbar stenosis

It is very uncertain whether summary of findings: unilateral laminotomy changes VAS back (0 to 10) Unilateral laminotomy compared with conventional… compared with conventional laminectomy (very low certainty).

1 finding from 1 review

Summary of findings: unilateral laminotomy vs conventional laminectomy

Incidence of postoperative instability · patients with lumbar stenosis

Summary of findings: unilateral laminotomy showed no clear difference in incidence of postoperative instability compared with conventional laminectomy (low certainty).

1 finding from 1 review