MIS TLIF Subgroup Patient Based Outcome Data.
| Preoperative | 1 Year Postoperative | Paired t-test (p) | |
| ODI | 46.5 ± 15.2(n = 45) | 26.2 ± 20.4 (n = 40) | 0.0001 |
| VAS Back | 6.5 ± 15.5 (n = 45) | 3.2 ± 2.5 (n = 40) | 0.0001 |
| VAS Affected Leg | 5.4 ± 2.8 (n = 45) | 1.7 ± 2.8 (n = 40) | 0.0001 |
| Preoperative | 6 Months Postoperative | Paired t-test (p) | |
| SF-12 MCS | 41.3 ± 15.8 (n = 87) | 50.5 ± 12.7 (n = 34) | 0.05 |
| SF-12 PCS | 26.6 ± 10.7 (n = 87) | 39.9 ± 15.3 (n = 34) | 0.001 |