Table 3: Averages of Preoperative and Postoperative Data Points

VAS ODI LL α IVS
Preoperative 7.23 67.30 43.53 8.68 0.272
Early postoperative (3rd day) - - 42.93 8.43 0.279
3 Month follow-up 3.00 26.35 42.73 8.48 0.270
12 Month follow-up 1.48 12.40 42.70 8.50 0.270
24 Month follow-up 0.98 7.70 42.95 8.60 0.275

VAS: Visual Analog Scale, ODI: Oswestry Disability Index, LL: Lumbar Lordosis Angle
α Segmental Lordosis Angle, IVS: Intervertebral Space.