Research Article

Learning Curve and Clinical Outcome of Biportal Endoscopic-Assisted Lumbar Interbody Fusion

Table 2

Comparison of clinical outcome scores divided by group. Statistical analysis between the two groups by repeated measures ANOVA (VAS: Visual Analog Scale; ODI: Oswestry Disability Index; value < 0.05).

VariablesTotalGroup AGroup B value

VAS legPreop0.007
Postop 2 wks
Postop 2 mo
Final

VAS backPreop0.637
Postop 2 wks
Postop 2 mo
Final

ODIPreop0.358
Postop 2 wks
Postop 2 mo
Final