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Table 4 UCLA grading scale

From: Comparison between single-segment Isobar EVO dynamic stabilization and Isobar TTL dynamic stabilization in the treatment of lumbar degenerative diseases: a single center retrospective study over 4 years

 

Pre-operation

Final follow-up

I

II

III

IV

I

II

III

IV

TTL (n = 39)

20

19

0

0

14

19

5

1

EVO (n = 41)

23

18

0

0

22

19

0

0

X2

0.186

10.060

P

0.666

0.018

  1. P values are based on chi-square test
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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