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Table 1 The basic data of patients of the two groups

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

8

7

PLIF

11

19

61.4 ± 15.2

30.1 ± 6.8

4

5

12

9