Table 7 Mean values (SD) and percentage change for the medial and lateral midfoot at week 4 (N = 30)
From: The effect of customised and sham foot orthoses on plantar pressures
Medial midfoot | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Peak pressure (kPa) | Maximum force (%BW) | Contact area (cm2) | ||||||
Insert | Mean (SD) | % change | p-value | Mean (SD) | % change | p-value | Mean (SD) | % change | p-value |
Shoe only (control) | 106.5 (30.9) | n/a | n/a | 8.2 (7.9)# | n/a | n/a | 14.4 (7.1) | n/a | n/a |
Customised foot orthosis | 119.3 (32.1) | +12%*†+^ | 0.040 | 14.9 (7.5)# | +81%*†+^ | <0.001 | 23.3 (3.9) | +62%*†+^ | <0.001 |
Contoured polyethylene | 102.5 (30.7) | −4%# | 1.000 | 9.0 (8.4)# | +10%#†+ | 0.354 | 16.1 (7.5) | +11%#†+ | 0.486 |
Contoured EVA | 104.5 (29.0) | −2%# | 1.000 | 12.3 (7.8)# | +49%*#^ | <0.001 | 20.6 (6.2) | +43%*#^ | <0.001 |
Flat EVA | 106.5 (29.6) | 0%# | 1.000 | 12.2 (7.7)# | +48%*#^ | <0.001 | 20.5 (6.1) | +42%*#^ | <0.001 |
Lateral midfoot | |||||||||
| Â | Peak pressure (kPa) | Maximum force (%BW) | Contact area (cm 2 ) | ||||||
Insert | Mean (SD) | % change | p -value | Mean (SD) | % change | p -value | Mean (SD) | % change | p -value |
Shoe only (control) | 125.6 (33.9) | n/a | n/a | 21.5 (5.4) | n/a | n/a | 23.5 (2.4) | n/a | n/a |
Customised foot orthosis | 131.4 (30.3) | +5%†+ | 1.000 | 25.4 (5.4) | +18%*†+^ | <0.001 | 24.1 (2.0) | +3%^ | 0.131 |
Contoured polyethylene | 125.4 (29.5) | 0% | 1.000 | 23.4 (5.4) | +9%*# | 0.001 | 23.6 (2.3) | +1%# | 1.000 |
Contoured EVA | 119.2 (26.0) | −5%# | 0.930 | 23.7 (4.7) | +10%*# | 0.002 | 24.1 (2.2) | +2% | 0.305 |
Flat EVA | 120.6 (30.8) | −4%# | 0.909 | 24.1 (5.3) | +12%*# | <0.001 | 24.1 (2.2) | +3% | 0.216 |