|  |  | p-values | η2 |
---|---|---|---|---|
No LBP (n = 15) | LBP (n = 16) | |||
Prone | ||||
 CSA (cm2) b | 7.27 (0.25) | 7.35 (0.24) | 0.822 | 0.002 |
 CSA asymmetry (%) b | 0.82 (0.83) | 4.30 (0.80) | 0.009 | 0.232 |
 Echo intensity (arbitrary units) b | 44.62 (2.99) | 43.65 (2.88) | 0.830 | 0.002 |
Thickness (cm) | ||||
 Rest | 2.75 (0.06) | 2.80 (0.06) | 0.544 | 0.014 |
 Rest Asymmetry (%) | 7.55 (1.30) | 4.64 (1.25) | 0.137 | 0.080 |
 Contracted b | 3.00 (0.07) | 3.01 (0.07) | 0.940 | 0.000 |
 Contracted Asymmetry (%) | 7.96 (1.22) | 6.69 (1.22) | 0.493 | 0.018 |
 Percentage change (%) | 8.68 (1.19) | 7.95 (1.19) | 0.684 | 0.006 |
 Percentage change Asymmetry (%) | 4.46 (0.95) | 4.18 (0.95) | 0.845 | 0.001 |
Standing | ||||
 CSA (cm2) b | 8.56 (0.28) | 8.37 (0.27) | 0.638 | .009 |
 CSA asymmetry (%) b | 2.67 (0.76) | 2.43 (0.73) | 0.831 | 0.002 |
 Thickness (cm) | 3.28 (0.08) | 3.27 (0.08) |  |  |
 Rest b |  |  | 0.934 | 0.000 |
 Rest Asymmetry (%) | 4.90 (1.35) | 6.60 (1.31) | 0.398 | 0.027 |
 Contracted b | 3.42 (0.08) | 3.43 (0.07) | 0.946 | 0.000 |
 Contracted Asymmetry (%) | 5.78 (1.13) | 5.04 (1.13) | 0.675 | 0.007 |
 Percentage change (%) | 4.65 (0.78) | 4.71 (0.78) | 0.957 | 0.000 |
 Percentage change Asymmetry (%) | 3.18 (0.91) | 2.94 (0.91) | 0.863 | 0.001 |