Clinical Efficacy and Rehabilitation of Microscopic “Over the Top” for Bilateral Decompression in Degenerative Lumbar Stenosis: A Retrospective Study

Table 2

The perioperative data and complications.

Parameter	Value (, %, )
Duration of operation (min)
1-level op
2-level op
3-level op
Estimated blood loss (ml)
1-level op
2-level op
3-level op
Length of hospitalization (d)
Total complications (/rate)	4 (10.3%)
Dural tear	2 (5.1%)
Neurologic deficit	1 (2.6%)
Reoperation	1 (2.6%)