Table 3 Quantitative measurements of paraspinal muscles

Sex

-

8 F : 16 M

15 F : 21 M

0.594

9 F : 20 M

14 F : 17 M

0.298

Age

45.00 ± 10.73

41.75 ± 10.93

0.260

42.01 ± 10.62

44.86 ± 10.71

0.461

BMI

27.72 ± 4.21

27.63 ± 3.12

0.924

27.41 ± 3.21

27.90 ± 3.90

0.599

CSA of psoas muscle (mm ² )

1480.69 ± 316.02

1528.65 ± 323.66

0.003^**

2964.54 ± 430.35

3039.19 ± 736.42

0.656

3134.34 ± 697.60

2892.38 ± 542.15

0.138

CSA of MM (mm ² )

928.35 ± 183.75

976.15 ± 223.98

0.000^***

1864.11 ± 243.84

1931.41 ± 480.75

0.530

2124.85 ± 474.57

1869.90 ± 310.44

0.006**

CSA of erector spinae muscle (mm ² )

1341.90 ± 327.31

1445.13 ± 323.75

0.000^***

2828.27 ± 598.38

2759.54 ± 676.97

0.688

2777.32 ± 600.50

2796.12 ± 689.00

0.911

Functional CSA of MM (mm ² )

742.87 ± 166.01

800.29 ± 207.51

0.000^***

1503.89 ± 149.84

1569.34 ± 460.92

0.505

1699.47 ± 331.01

1489.19 ± 402.99

0.007**

Fatty degeneration of MM

0.80 ± 0.08

0.82 ± 0.09

0.001^**

0.84 ± 0.08

0.78 ± 0.08

0.005**

0.86 ± 0.07

0.77 ± 0.08

0.001**

VAS LBP

-

7.92 ± 1.44

7.75 ± 2.03

0.730

7.42 ± 1.75

8.45 ± 1.88

0.000^***

VAS leg pain

7.79 ± 1.79

7.17 ± 1.93

0.212

7.79 ± 1.79

8.39 ± 1.09

0.000^***

ODI

24.22 ± 7.55

28.24 ± 11.01

0.125

22.09 ± 7.41

30.88 ± 10.15

0.000^***

TNF

0.000098 ± 0.00008

0.000104 ± 0.000008

0.791

0.000135 ± 0.00008

0.000096 ± 0.000008

0.004**

IL-1β

0.000305 ± 0.00026

0.000336 ± 0.00026

0.678

0.000289 ± 0.00025

0.000357 ± 0.00027

0.371

IL-15

0.000523 ± 0.00060

0.000605 ± 0.00057

0.712

0.000504 ± 0.00060

0.000651 ± 0.00056

0.519

TGF-β1

0.11 ± 0.08

0.12 ± 0.08

0.665

0.11 ± 0.08

0.13 ± 0.08

0.486