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Table 2 Clinical Outcomes and Complications of the Two Groups

From: Comparison of lumbar endoscopic unilateral laminotomy bilateral decompression and minimally invasive surgery transforaminal lumbar interbody fusion for one-level lumbar spinal stenosis

 

LE-ULBD

MIS-TLIF

P value

N

32

80

–

Operation time (min)

139.5 ± 31.2 (85–240)

161.1 ± 45.6 (60–300)

0.023

Estimated blood loss (ml)

51.9 ± 10.9 (40–80)

146.6 ± 80.3 (50–400)

< 0.001

Time to ambulation (h)

11.7 ± 3.6 (8–28)

22.1 ± 9.5 (12–48)

< 0.001

Length of hospitalization (d)

2.7 ± 0.9 (1–4)

11.2 ± 2.4 (7–17)

< 0.001

  1. N indicates number of patients included in the statistical analysis, LE-ULBD lumbar endoscopic unilateral laminotomy bilateral decompression, MIS-TLIF minimally invasive surgery transforaminal lumbar interbody fusion