Findings

What do systematic reviews say?

6 questions · 6 findings · 1 reviews · Headline outcomes only

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 33.3%Low 4 · 66.7%Moderate 0 · 0%High 0 · 0%

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 294 participants
Very low

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
OR 5.69 [2.55, 12.71]
2 studies · 223 participants
Low

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 223 participants
Very low

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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 223 participants
Low

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: 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

Effectiveness of posterior decompression techniques compared with conventional laminectomy for lumbar stenosis 2015 · Cochrane Headline outcomes only
OR 0.33 [0.07, 1.59]
3 studies · 293 participants
Low