ALIF	Anterior Lumbar Interbody Fusion
DDD	Degenerative discopathy
DRB	Dynamic Reference Base
VR	Dynamic Reference (or Registration) Frame
FTP	Full Transpedicular
GRS	Gertzbein and Robbins system
ICT	Intraoperative Computed Tomography
LRISE	Lateral RISE Cage System
MIS	Minimally Invasive Surgery
OLIF	Oblique Lumbar Interbody Fusion
PEEK	Polyetheretherketone
PLIF	Posterior Lumbar Interbody Fusion
SM	Surface Marker
TLIF	Transforaminal Lumbar Interbody Fusion
XLIF	Extreme Lateral Interbody Fusion
ALIF + OLIF	Combined Anterior and Oblique Lumbar Interbody Fusion
ALIF + OLIF (SP)	Same-Patient Combined Anterior and Oblique Lumbar Interbody Fusion
ALIF + OLIF + XLIF	Combined Anterior, Oblique, and Lateral Interbody Fusion
ALIF + OLIF + XLIF (SP)	Same-Patient Combined Anterior, Oblique, and Lateral Interbody Fusion
OLIF + XLIF	Combined Oblique and Extreme Lateral Lumbar Interbody Fusion
IQR	Interquartile range