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Table 1 Patients’ demographic characteristics

From: Posterior percutaneous endoscopic lumbar discectomy combined with the vertical anchoring technique for lumbar disc herniation with distant upward migration

Gender

Age (years)

Treatment level

Male

Female

(Mean ± SD)

L3/4

L4/5

L5/S1

8

5

53.4 ± 13

2

9

2

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X