From: Percutaneous transforaminal endoscopic surgery (PTES) for symptomatic lumbar disc herniation: a surgical technique, outcome, and complications in 209 consecutive cases
Herniation level
No. of patients
Percent
L5/S1
83
39.7
L4/L5
81
38.8
L3/L4
32
15.3
L2/L3
13
6.2
Total
209
100