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Table 4 MRI signal rank of paraspinal muscles at pre- and 6 months after surgery

From: Comparison of a novel hand-held retractor-assisted transforaminal lumbar interbody fusion by the wiltse approach and posterior TLIF: a one-year prospective controlled study

 

P-TLIF (n = 17)

Wiltse approach -TLIF (n = 20)

P Value

Rank

I

II

III

IV

I

II

III

IV

-

Preoperation

2

9

6

0

2

9

6

3

P = 0.399

Postoperation

0

1

9

7

0

9

8

3

P = 0.008*

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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