Findings

What do systematic reviews say?

3 questions · 3 findings · 1 reviews

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 1 · 33.3%Low 2 · 66.7%Moderate 0 · 0%High 0 · 0%

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
OR 0.1 [0.02, 0.55]
3 studies · 294 participants
Low

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
OR 0.28 [0.07, 1.15]
3 studies · 166 participants
Low

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low