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Evidence found and GRADE certainty

6 questions · 6 findings · 1 reviews · Back and Neck

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No studies found 0 · 0%GRADE not reported 1 · 16.7%Very low 3 · 50%Low 2 · 33.3%Moderate 0 · 0%High 0 · 0%

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: split‐spinous process 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: split‐spinous process laminotomy led to lower satisfactory recovery Split‐spinous process laminotomy compared with… compared with conventional laminectomy; GRADE not reported.

1 finding from 1 review

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

VAS leg (0 to 10) Split‐spinous process laminotomy compared with conventional laminectomy · patients with lumbar stenosis

It is very uncertain whether summary of findings: split‐spinous process laminotomy changes VAS leg (0 to 10) Split‐spinous process laminotomy compared with… compared with conventional laminectomy (very low certainty).

1 finding from 1 review

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

Incidence of postoperative instability · patients with lumbar stenosis

It is very uncertain whether summary of findings: split‐spinous process laminotomy changes incidence of postoperative instability compared with conventional laminectomy (very low certainty).

1 finding from 1 review

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

Incidence of perioperative complications · patients with lumbar stenosis

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

1 finding from 1 review