Table 2 The results of quantitative comparison of observed air pockets between the icPad (8 mm) and semi-liquid gel
Group | Mean ± SD | F Value | Post-hoc Scheffé results | |
|---|---|---|---|---|
Area of air pockets (pixel grid) | icPad 8 mm | 50.3 ± 31.9 (0.38%) | 16.051** | Semi-liquid gel > icPad 8 mm and 8 mm after sliding |
icPad 8 mm after sliding | 120.3 ± 21.5 (0.92%) | |||
Semi-liquid gel | 332.7 ± 91.2 (2.55%) |