Table 2:
Radiological and clinical parameters at baseline and post-operative.
| Variables | TLIF (mean±SD) | OLIF (mean±SD) | P-value | TLIF group (mean±SD) | OLIF group (mean±SD) | P-value |
|---|---|---|---|---|---|---|
| Preoperative | Postoperative | |||||
| SC-CSA (in cm2) | 0.77±0.37 | 0.79±0.35 | 0.72 | 1.32±0.40 | 1.31±0.50 | 0.64 |
| Right F-CSA (in cm2) | 0.46±0.16 | 0.43±0.12 | 0.71 | 0.71±0.15 | 0.79±0.23 | 0.15 |
| Left F-CSA (in cm2) | 0.46±0.12 | 0.42±0.12 | 0.23 | 0.70±0.12 | 0.80±0.28 | 0.14 |
| DH (in mm) | 6.70±1.43 | 6.48±1.47 | 0.59 | 9.42±1.97 | 10.28±2.42 | 0.18 |
| Right FH (in mm) | 12.44±2.39 | 12.31±2.39 | 0.84 | 14.77±2.25 | 17.09±2.81 | 0.002 |
| Left FH (in mm) | 12.62±2.22 | 12.20±2.65 | 0.54 | 15.29±2.70 | 16.98±2.56 | 0.02 |
| ODI (in %) | 64.38±8.75 | 67.00±6.15 | 0.22 | 29.62±6.3 | 31.69±7.28 | 0.27 |
| VAS score (low back pain) | 7.92±0.89 | 8.23±0.65 | 0.15 | 3.58±1.03 | 2.88±0.77 | 0.01 |
| VAS score (lower limb pain) | 7.50±1.03 | 7.85±1.08 | 0.26 | 3.00±0.89 | 3.15±0.88 | 0.42 |
SD: Standard deviation, CSA: Cross-sectional area, SC: Spinal canal, F: Foremen, DH: Disc height, FH: Foramen height, ODI: Oswestry disability index, VAS: Visual analog scale, TLIF: Transforaminal lumbar interbody fusion, OLIF: Oblique lateral interbody fusion