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Table 4 The relationship between HU value and paraspinal muscle characteristics controlling for BMI tested by linear regression

From: Paraspinal muscle characteristics on MRI in degenerative lumbar spine with normal bone density, osteopenia and osteoporosis: a case-control study

L4 + 5

L1HU

L2HU

L3HU

L4HU

Average HU of L1-L4

MF rTCSA

0.184

0.178

0.196*

0.217*

0.202*

ES rTCSA

0.168

0.196*

0.203*

0.118

0.178

MF FI

−0.291**

−0.334**

− 0.283**

−0.262**

− 0.305**

ES FI

−0.243*

− 0.23*

−0.215*

− 0.228*

−0.239*

PS rFCSA

0.181

0.195*

0.168

0.206*

0.196*

  1. Abbreviations: ES Erector spinae, FI Fat infiltration, HU Hounsfield units, MF Multifidus, PS Psoas major, rFCSA Relative functional cross-sectional area, rTCSA Relative total cross-sectional area
  2. *p < 0.05, **p < 0.01
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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