From: MRI analysis of the ISOBAR TTL internal fixation system for the dynamic fixation of intervertebral discs: a comparison with rigid internal fixation
Operation method
Gender (case)
Mean age (years)
Follow-up time (month)
Fusion segment
Male
Female
L4/L5
L5/S1
L4/S1
L3/L5
ISOBAR TTL
8
16
58.3 ± 13.5
28.7 ± 5.3
4
5
7
PLIF
11
19
61.4 ± 15.2
30.1 ± 6.8
12
9