BioMed Research International / 2019 / Article / Tab 2

Research Article

Comparison of Endoscope-Assisted and Microscope-Assisted Tubular Surgery for Lumbar Laminectomies and Discectomies: Minimum 2-Year Follow-Up Results

Table 2

Operative characteristics of patients.

Group A Group B Group C Group D

Duration of operation, mean (SD), min95.23(38.36)86.13(26.04)82.66(24.97)74.70(20.23)
Amount of bleeding, mean (SD), ml41.86(52.46)38.5(23.24)35.04(46.20)39.26(20.81)
Hospital stay, mean (SD), day5.5(2.9)5.2(1.3)4.4(1.7)4.5(1.5)
Dural tear, n (%)2(5.71)06(4.72)2(1.74)
Wound infection, n (%)01(3.33)1(0.79)4(3.48)
Repeated surgery within 2 y, n (%)1(2.85)04(3.15)3(2.61)

Values are presented as the mean (SD) unless otherwise indicated. P<0.05 in duration of operation (group C vs. group D). SD: standard deviation.

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