Skip to main content

Table 3 Between groups comparison of muscle fat infiltration of ventral neck muscles (longus colli = LCO, longus capitis (LCA) and sternocleidomastoid = SCM)

From: Morphology and composition of the ventral neck muscles in individuals with chronic whiplash related disorders compared to matched healthy controls: a cross-sectional case–control study

Muscle

LCO left

LCO right

LCA left

LCA right

SCM left

SCM right

WAD < 40*

 Median (%)

-0.005

-0.006

-0.04

0.009

0.059

0.041

 Range (%)

0.25

0.32

0.22

0.20

0.32

0.30

 Number

20

20

20

20

14

15

 Drop-out

(0)

0

(0)

(0)

(6)

(5)

WAD ≥ 40*

 Median (%)

0.026

0.054

0.011

0.023

0.110

0.104

 Range (%)

0.30

0.36

0.33

0.11

0.18

0.21

 Number

9

9

9

9

8

9

 Drop-out

(2)

(2)

(2)

(2)

(3)

(2)

Controls*

 Median (%)

0.019

0.019

0.007

-0,017

0.062

0.019*

 Range (%)

0.32

0.41

0.31

0.34

0.25

0.43

 Number

28

28

28

28

25

27

 Drop-out

(3)

(3)

(3)

(3)

(6)

(4)

p = 

0.39

0.75

0.71

0.35

0.25

0.03

  1. WAD   Whiplash Associated Disorders, NDI Neck Disability Index
  2. *WAD moderate (NDI < 40), severe WAD (NDI ≥ 40) and age- and sex-matched healthy controls
  3. Control vs. severe WAD p = 0.02, control vs. mild WAD p = 0.12, mild WAD vs. severe WAD p = 0.10 (Mann–Whitney U-test)
  4. SCM left vs. right (Wilcoxon signed rank test) p = 0.01 for healthy controls
  5. Drop-out = unclear imaging, impossible to analyse