Safety and Efficacy of Polyetheretherketone (PEEK) Cages and Cadaveric Allografts in Transforaminal Lumbar Interbody Fusion (TLIF) for Treating Lumbar Pyogenic Spondylodiscitis

Table 4

VAS and ODI scores before and after surgery (, ).

Parameters	Preoperative	1-month postoperative	2-year postoperative
VAS		^a	^a	<0.001
ODI		^a	^a	<0.001

Note: VAS: visual analog scale; ODI: Oswestry Disability Index. Comparison between preoperative and postoperative parameters; ^a.