TABLE 2.
Comparisons about side‐to‐side parameters of the paraspinal muscles among groups
| Variables | With LPP (n = 124) | Without LPP (n = 47) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| LBP (n = 48) | PGP (n = 76) | ||||||||
| Pain side | No pain side | P value | Pain side | No pain side | P value | Left side | Right side | P value | |
| T‐CSA (Mean ± SD) (cm2) | 18.2 ± 1.7 | 19.6 ± 1.6 | <0.001 * | 18.7 ± 1.9 | 19.0 ± 1.8 | 0.319 | 18.8 ± 1.6 | 19.2 ± 1.7 | 0.243 |
| F‐CSA (Mean ± SD) (cm 2 ) | 15.5 ± 2.0 | 17.7 ± 1.7 | <0.001 * | 16.2 ± 1.6 | 17.0 ± 1.8 | 0.004 * | 17.0 ± 2.0 | 17.3 ± 1.8 | 0.447 |
| F‐CSA/T‐CSA (Mean ± SD) | 0.72 ± 0.07 | 0.84 ± 0.08 | <0.001 * | 0.81 ± 0.06 | 0.86 ± 0.07 | <0.001 * | 0.83 ± 0.15 | 0.86 ± 0.12 | 0.287 |
P values from ANOVA and post hoc analysis.
*
Indicates statistically significant.
BMI, body mass index; F‐CSA, functional cross‐sectional area; LBP, low back pain; LPP, lumbopelvic pain; PGP, pelvic girdle pain; SD, standard deviation; T‐CSA, total cross‐sectional area.