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Table 1 Patients’ demographic characteristics and Operative characteristics

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

SEX Age(years) Treatment level Operative time (mean) (range) Hospital stay (mean) (range)
Male Female (Mean ± SD) L2/3 L3/4 L4/5 54.90 ± 11.00 min (45–70 min) 2.55 days
(2–3 days)
6 5 68.5 ± 10 1 4 6