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Table 5 Comparison of two methods of calculating GVR (x ± s)

From: Comparative intra- and inter-observer reliability of two methods for evaluating intraoperative ultrasonography-based spinal cord hyperechogenicity intensity in degenerative cervical myelopathy

method

n

Observer A

Observer B

RSD%

GVR-A

28

1.837 + -0.671

2.25 + -0.577

0.32

GVR-B

28

0.555 + -0.157

0.602 + -0.186

0.298

t

 

10.298

-2.77

 

p

 

0

0.01

 
  1. GVR-A Gcompression/Gnorml, GVR-B Gcompression/Gsac
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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