Table 2 Clinical outcomes
|  | OLIF + PETD | MIS-TLIF | Statistic |
|---|---|---|---|
Pre VAS | 7.2 ± 0.8 | 7.1 ± 0.7 | time F = 737.969, P = 0.000 time*group F = 5.330, P = 0.009 group F = 3.359, P = 0.082 |
Post VAS# | 2.4 ± 0.5 | 3.1 ± 0.7 | |
F/U VAS | 0.9 ± 0.6 | 1.6 ± 0.7 | |
Pre ODI | 77.5 ± 11.5 | 74.7 ± 5.7 | time F = 549.758, P = 0.000 time*group F = 1.185, P = 0.327 group F = 0.674, P = 0.421 |
Post ODI | 16.4 ± 6.4 | 20.9 ± 4.9 | |
F/U ODI | 9.8 ± 2.3 | 12.1 ± 4.0 | |
Pre JOA | 9.2 ± 1.9 | 8.7 ± 1.9 | time F = 630.159, P = 0.000 time*group F = 0.410, P = 0.666 group F = 0.330, P = 0.572 |
Post JOA | 18.2 ± 2.0 | 18.4 ± 1.7 | |
F/U JOA | 25.2 ± 0.9 | 24.8 ± 0.9 | |
Pre—Post improvement (%) | 45.4 ± 9.7 | 47.8 ± 8.2 | t =—0.654, P = 0.520 |
Pre—F/U improvement (%) | 80.5 ± 5.8 | 79.0 ± 4.4 | t = 0.711, P = 0.485 |