Parameters | AUSS-TLIF (N = 34) | MIS-TLIF (N = 37) | Statistics | P-value |
---|---|---|---|---|
VAS score | Â | Â | Â | Â |
 Pre-operation | 7.44 ± 1.67 | 7.57 ± 1.39 | t = 0.3436 | 0.7322 |
 3 days after operation | 2.82 ± 1.84 | 4.92 ± 2.21 | t = 4.261 | < 0.001** |
 3 months after operation | 1.53 ± 0.78 | 2.27 ± 1.27 | t = 2.900 | 0.0050* |
 12 months after operation | 0.50 ± 0.61 | 0.73 ± 0.60 | t = 1.581 | 0.1183 |
ODI score(%) | Â | Â | Â | Â |
 Pre-operation | 71.50 ± 8.39 | 74.77 ± 7.91 | t = 1.667 | 0.1000 |
 3 month after operation | 19.48 ± 6.38 | 26.55 ± 7.01 | t = 4.370 | < 0.001** |
 12 month after operation | 7.84 ± 4.22 | 8.53 ± 4.21 | t = 0.6747 | 0.5021 |