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. 2023 Jan 16;20(2):1652. doi: 10.3390/ijerph20021652

Table 2.

Foot load distribution in groups with Angle Class I, II and III.

Parameters Angle Class p
I Class II Class III Class
Forefoot percentage weight-bearing left—LL [%] Av ± SD 36.73 ± 10.35 45.53 ± 15.11 31.43 ± 14.26 p = 0.002 *
Median 36 42.5 30
Quartiles 27.25–43.75 35.5–52 21–40.25 Cl.II > Cl.I, Cl.III
Forefoot percentage weight-bearing right—LL [%] Av ± SD 37.1 ± 11.83 46.7 ± 14.96 29.57 ± 10.56 p < 0.001 *
Median 38 46 28
Quartiles 29.25–44.5 35.25–57.75 21.25–36 Cl.II > Cl.I > Cl.III
Hindfoot percentage weight-bearing—left LL [%] Av ± SD 63.27 ± 10.35 54.47 ± 15.11 67.07 ± 16.61 p = 0.004 *
Median 64 57.5 70
Quartiles 56.25–72.75 48–64.5 57.5–79 Cl.III, Cl.I > Cl.II
Hindfoot percentage weight-bearing—left LL [%] Av ± SD 62.9 ± 11.83 53.3 ± 14.96 68.6 ± 13.12 p < 0.001 *
Median 62 54 71
Quartiles 55.5–70.75 42.25–64.75 61.75–74.75 Cl.III, Cl.I > Cl.II
Mean forefoot pressure values—left LL [g/cm2] Av ± SD 295.73 ± 67.06 329.53 ± 63.6 283.47 ± 70.63 p = 0.018 *
Median 295.5 329.5 290.5
Quartiles 245.5–329.5 303.75–355.5 247–323.25 Cl.II > Cl.I, Cl.III
Mean forefoot pressure values—right LL [g/cm2] Av ± SD 284.57 ± 60.48 351.7 ± 62.8 293.67 ± 114.31 p < 0.001 *
Median 288.5 346 267
Quartiles 233–318.25 307–386 237.5–313.25 Cl.II > Cl.III, Cl.I
Mean hindfoot pressure values—left LL [g/cm2] Av ±SD 540.17 ± 120.86 488.03 ± 157.95 608.3 ± 263.09 p = 0.142
Median 523 501.5 569
Quartiles 474.75–636.75 371–601 465.75–682.25
Mean hindfoot pressure values—right LL [g/cm2] Av ± SD 515.17 ± 116.6 460.47 ± 121.8 637.3 ± 316.44 p = 0.002 *
Median 498.5 431.5 573
Quartiles 435.5–583 400–553.25 511–704 Cl.III > Cl.I, Cl.II

p—Kruskal–Wallis test + post hoc analysis (Dunn’s test). * Statistically significant difference. LL—Lower limb.