Table 4 Mean values (SD) and percentage change for the medial and lateral midfoot at week 0 (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) | 104.2 (32.1) | n/a | n/a | 8.1 (8.0)# | n/a | n/a | 14.2 (7.1) | n/a | n/a |
Customised foot orthosis | 119.7 (33.3) | +15%*†+ | 0.017 | 15.0 (7.6)# | +86%*†+^ | <0.001 | 23.3 (3.5) | +65%*†+^ | <0.001 |
Contoured polyethylene | 98.2 (28.8) | −6%# | 1.000 | 8.3 (8.0)# | +3%#†+ | 1.000 | 15.7 (7.6) | +11%#†+ | 0.054 |
Contoured EVA | 101.6 (26.0) | −2%# | 1.000 | 11.4 (8.1)# | +42%*#^ | <0.001 | 19.3 (6.6) | +36%*#^ | <0.001 |
Flat EVA | 104.3 (26.6) | 0%# | 1.000 | 12.0 (7.9)# | +49%*#^ | <0.001 | 20.0 (6.5) | +41%*#^ | <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) | 121.7 (29.8) | n/a | n/a | 20.8 (5.4) | n/a | n/a | 23.5 (2.6) | n/a | n/a |
Customised foot orthosis | 126.0 (26.3) | +4% | 1.000 | 25.4 (5.7) | +22%*+^ | <0.001 | 24.0 (2.1) | +2%^ | 0.166 |
Contoured polyethylene | 121.3 (23.5) | 0% | 1.000 | 22.4 (5.6) | +8%*#†| 0.023 | 23.5 (2.4) | 0%#†+ | 1.000 |
Contoured EVA | 118.3 (23.7) | −3% | 1.000 | 23.7 (4.5) | +14%*# | <0.001 | 24.0 (2.0) | +2%^ | 0.441 |
Flat EVA | 115.0 (22.5) | −5%# | 0.090 | 23.9 (4.5) | +15%*^ | <0.001 | 24.0 (2.1) | +2%^ | 0.524 |