Table 2.
Multivariate analyses of the differences between groups in TMS assessments
| Dependent variable | Muscle | βgroup (SE) | 95%CI | P value |
|---|---|---|---|---|
| Area | Longissimus L3 | -363.586 (630.255) | -1598.863-871.691 | 0.564 |
| Longissimus L5 | 234.646 (614.875) | -970.486-1439.778 | 0.703 | |
| Obliquus externus | 1050.963 (604.249) | -133.343-2235.269 | 0.082 | |
| Obliquus internus | 3.591 (614.875) | -1201.541-1208.723 | 0.995 | |
| Center of Gravity | Longissimus L3 | -0.622 (2.898) | -6.302-5.058 | 0.830 |
| Anterior-posterior | Longissimus L5 | -1.989 (2.843) | -7.561-3.583 | 0.484 |
| Obliquus externus | -2.887 (2.807) | -8.387-2.614 | 0.304 | |
| Obliquus internus | -2.064 (2.842) | -7.634-3.505 | 0.468 | |
| Center of Gravity | Longissimus L3 | -4.120 (2.430) | -8.883-0.644 | 0.090 |
| Medio-lateral | Longissimus L5 | -5.916 (2.376) | -10.573- -1.259 | 0.013 |
| Obliquus externus | 0.202 (2.340) | -4.385-4.789 | 0.931 | |
| Obliquus internus | -2.807 (2.375) | -7.462-1.847 | 0.237 | |
| Center of Gravity | Longissimus L3 | -1.298 (1.420) | -4.082-1.486 | 0.361 |
| Vertical | Longissimus L5 | -2.231 (1.379) | -4.934-0.472 | 0.106 |
| Obliquus externus | -0.002 (1.352) | -2.652-2.649 | 0.999 | |
| Obliquus internus | -2.709 (1.379) | -5.411- -0.007 | 0.049 |
The coefficients can be interpreted as the difference in one unit in the variable for the people with low back pain compared to the people without low back pain. Statistically significant values are highlighted in bold