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Table 3 Prior surgical intervention undertaken at index level

From: Percutaneous transforaminal endoscopic surgery (PTES) for symptomatic lumbar disc herniation: a surgical technique, outcome, and complications in 209 consecutive cases

Prior procedure at index level

No. of patients

Percent

Laminectomy and discectomy

14

6.7

Endoscopic discectomy

2

1.0

Decompression and fusion

2

1.0

Radiofrequency ablation

2

1.0

Ozone injections

1

0.5

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X