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The surgery time and BMI of each 1 level procedure for OLLIF (green), MI-TLIF (red), and TLIF (blue). Univariate regression lines are plotted for reference.
BMI: Body mass index; MIS-TLIF: Minimally invasive transforaminal lumbar interbody fusion; OLLIF: Oblique lateral lumbar interbody fusion; TLIF: Transforaminal lumbar interbody fusion.
