|  |  | p-values | η2 |
---|---|---|---|---|
No LBP (n = 17) | LBP (n = 14) | |||
Prone | ||||
 CSA (cm2)b | 7.25 (0.23) | 7.38 (0.25) | 0.713 | 0.005 |
 CSA asymmetry (%) b | 1.32 (0.79) | 4.19 (0.88) | 0.029 | 0.171 |
 Echo intensity (arbitrary units) b | 45.65 (2.69) | 42.26 (2.99) | 0.431 | 0.024 |
Thickness (cm) | Â | Â | Â | Â |
 Rest | 2.76 (0.06) | 2.79 (0.06) | 0.780 | 0.003 |
 Rest  Asymmetry (%) | 6.28 (1.25) | 5.77 (1.40) | 0.797 | 0.002 |
 Contracted b | 3.00 (0.07) | 3.01 (0.07) | 0.910 | 0.001 |
 Contracted Asymmetry (%) | 7.79 (1.18) | 6.80 (1.27) | 0.593 | 0.011 |
 Percentage change (%) | 8.55 (1.14) | 8.04 (1.23) | 0.773 | 0.003 |
 Percentage change Asymmetry (%) | 3.57 (0.88) | 5.17 (0.95) | 0.251 | 0.050 |
Standing | ||||
 CSA (cm2) b | 8.38 (0.25) | 8.56 (0.28) | 0.664 | 0.007 |
 CSA asymmetry (%) b | 2.58 (0.69) | 2.51 (0.77) | 0.948 | 0.000 |
 Thickness (cm) | 3.28 (0.07) | 3.28 (0.08) |  |  |
 Rest b |  |  | 0.994 | 0.000 |
 Rest Asymmetry (%) | 5.66 (1.27) | 5.93 (1.42) | 0.894 | 0.001 |
 Contractedb | 3.42 (0.07) | 3.43 (0.08) | 0.944 | 0.000 |
 Contracted Asymmetry (%) | 6.14 (1.04) | 4.43 (1.20) | 0.314 | 0.039 |
 Percentage change (%) | 4.78 (0.72) | 4.55 (0.84) | 0.845 | 0.001 |
 Percentage change  Asymmetry (%) | 2.42 (0.83) | 3.90 (0.96) | 0.279 | 0.045 |