Table 3

Endoscopic TLIF clinical and radiological outcomes.

Endoscopic TLIFPreoperativePostoperativeDifferenceP Value
Patient-reported outcome scores
 VAS back pain5.5 ± 3.00.6 ± 1.5−4.9 ± 2.7<0.001
 VAS lower limb pain5.8 ± 3.00.8 ± 1.9−4.9 ± 2.8<0.001
 Oswestry Disability Index39.8 ± 14.119.2 ± 10.0−20.7 ± 15.0<0.001
 Neurogenic Symptom Score35.4 ± 11.212.1 ± 17.4−23.3 ± 21.50.003
Radiological outcomes
 Segmental lordosis, °6.0 ± 3.18.9 ± 1.52.9 ± 1.9<0.001
 Posterior disc height, mm6.8 ± 1.59.5 ± 1.32.7 ± 1.2<0.001
 Listhesis, mm7.1 ± 3.72.7 ± 1.4−4.4 ± 2.8<0.001
  • Abbreviations: TLIF, transforaminal lumbar interbody fusion; VAS, visual analog score.