Table 3 Descriptive statistics of all the variables over the whole sample size.* after the variable indicates a significant difference. For all variables the degree of freedom is df = 799
From: Systematic changes of the static upper body posture with a symmetric occlusion condition
Variable names | Habitual | Cotton role | Difference cotton role - habitual | T value | P value | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Median | 1st quantile | 3rd quantile | Median | 1st quantile | 3rd quantile | Median | 1st quantile | 3rd quantile | |||
Spinal column: | |||||||||||
Trunk length D [mm]* | 470 | 447 | 493 | 469 | 445 | 493 | −0.72 | − 2.09 | 0.55 | 5.1 | < 0.001 |
Trunk length S [mm]* | 513 | 490 | 537 | 513 | 490 | 537 | −0.87 | −2.32 | 0.66 | 5.0 | < 0.001 |
Sagittal trunk decline [°]* | −3.28 | −5.30 | −1.55 | − 3.13 | − 4.99 | − 1.37 | 0.16 | −0.33 | 0.73 | −6.6 | < 0.001 |
frontal trunk decline [°] | −0.16 | − 1.00 | 0.67 | − 0.16 | − 1.00 | 0.68 | − 0.01 | − 0.30 | 0.24 | 1.5 | 0.144 |
Axis decline [°] | −0.67 | −2.00 | 0.91 | −0.64 | −2.00 | 1.04 | 0.01 | −0.33 | 0.33 | − 0.3 | 0.757 |
Thoracic bending angle [°]* | 15.1 | 12.2 | 17.7 | 15.2 | 12.4 | 18.1 | 0.14 | −0.50 | 0.87 | −3.4 | 0.001 |
lumbar bending angle [°]* | 12.3 | 9.9 | 14.9 | 12.6 | 10.1 | 15.2 | 0.30 | −0.16 | 0.89 | −4.7 | < 0.001 |
SD of lateral deviation[°] | 3.81 | 2.65 | 5.33 | 3.94 | 2.65 | 5.54 | 0.06 | −0.49 | 0.63 | −1.3 | 0.178 |
Maximal lateral deviation [°] | −4.27 | −7.79 | 3.58 | −4.57 | −7.99 | 4.21 | −0.03 | −1.31 | 1.13 | 0.4 | 0.661 |
SD of rotation [°] | 3.90 | 2.74 | 5.51 | 4.02 | 2.71 | 5.76 | 0.07 | −0.62 | 0.79 | −2.3 | 0.019 |
Maximum of rotation [°] | 4.30 | −6.62 | 8.66 | 4.56 | −6.99 | 8.75 | −0.01 | −2.23 | 2.11 | 1.0 | 0.331 |
Kyphosis angle [°] | 53.3 | 45.6 | 61.7 | 53.4 | 45.8 | 62.8 | 0.67 | −1.18 | 2.59 | −2.7 | 0.006 |
Lordosis angle [°] | 38.4 | 30.7 | 49.6 | 38.8 | 31.2 | 49.6 | 0.40 | − 0.73 | 1.60 | −1.5 | 0.135 |
Shoulder variables | |||||||||||
Scapular distance [mm]* | 174 | 156 | 193 | 174 | 156 | 193 | −0.36 | −2.25 | 1.12 | 3.5 | 0.001 |
Scapular height [°] | −1.99 | −6.57 | 3.43 | −2.08 | −6.87 | 3.08 | −0.12 | −1.28 | 1.04 | 2.6 | 0.010 |
Scapular rotation [°] | 1.28 | −0.93 | 3.43 | 1.24 | −1.00 | 3.62 | 0.00 | −0.93 | 0.91 | 0.1 | 0.949 |
Scapular angle left [°] | 26.7 | 23.2 | 30.9 | 27.0 | 23.5 | 31.0 | 0.23 | −1.15 | 1.47 | −1.9 | 0.054 |
Scapular angle right [°] | 28.4 | 24.7 | 32.7 | 29.1 | 25.1 | 33.0 | 0.33 | −1.51 | 2.52 | −2.4 | 0.015 |
Pelvic variables | |||||||||||
Pelvis distance [mm] | 98.0 | 88.7 | 109.2 | 97.7 | 88.7 | 109.1 | −0.01 | − 0.31 | 0.24 | 0.8 | 0.398 |
Pelvis tilt [°] | −0.42 | −1.72 | 1.02 | −0.35 | −1.72 | 1.02 | 0.01 | −0.20 | 0.27 | −1.3 | 0.185 |
Pelvis tilt [mm] | −0.72 | −3.00 | 1.85 | −0.57 | −2.96 | 1.87 | 0.02 | −0.34 | 0.43 | −1.2 | 0.221 |
Pelvis torsion [°] | 0.36 | −2.98 | 3.68 | 0.34 | −2.81 | 3.66 | −0.01 | −0.95 | 1.00 | −1.1 | 0.286 |
Pelvis rotation [°] | 0.50 | −1.96 | 2.94 | 0.47 | −2.07 | 3.16 | −0.09 | −0.98 | 0.85 | 0.9 | 0.388 |