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Table 2 Comparison of pre- and postoperative VAS, JOA and ODI scores

From: A novel vertebral trench technique (VTT) involving transforaminal endoscopic lumbar foraminotomy (TELF) for very highly up-migrated lumbar disc herniation above L5

Timepoint VAS leg pain scores VAS back pain scores JOA scores ODI (%)
Pre-operation 6.18 ± 1.54 6.45 ± 1.29 12.55 ± 1.57 60.09 ± 5.61
Post-operation
 2 d 2.09 ± 1.14 1.63 ± 0.81 16.09 ± 1.04 21.36 ± 6.99
 3 m 1.91 ± 0.94 1.55 ± 0.82 16.18 ± 1.40 20.91 ± 7.03
 6 m 1.82 ± 1.08 1.45 ± 0.93 16.27 ± 1.74 20.27 ± 7.46
 12 m 1.73 ± 1.10 1.36 ± 1.29 17.91 ± 1.92 18.64 ± 6.50
F 101.746 146.988 25.996 357.215
P P < 0.001 P < 0.001 P < 0.001 P < 0.001