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Table 3 Correlations between the structural characteristics of the feet and the stability indicators within the entire study group

From: Feet deformities and their close association with postural stability deficits in children aged 10–15 years

Variable

COP length

COP Surface area

COP Y

COP X

Length L foot

ρ = −0.126

p = 0.076

ρ = −0.114

p = 0.108

ρ = −0.134

p = 0.059

ρ = − 0.111

p = 0.119

Length R foot

ρ = −0.154

p = 0.030

ρ = − 0.124

p = 0.081

ρ = − 0.140

p = 0.049

ρ = − 0.125

p = 0.078

Width L foot

ρ = − 0.301

p < 0.001

ρ = − 0.173

p = 0.015

ρ = − 0.179

p = 0.011

ρ = − 0.174

p = 0.014

Width R foot

ρ = − 0.288

p < 0.001

ρ = − 0.160

p = 0.024

ρ = −0.171

p = 0.016

ρ = − 0.160

p = 0.024

Clarke’s angle R

ρ = 0.211

p = 0.003

ρ = −0.143

p = 0.043

ρ = −0.122

p = 0.084

ρ = − 0.152

p = 0.031

Wejsflog index L

ρ = 0.323

p < 0.001

ρ = 0.140

p = 0.048

ρ = 0.109

p = 0.125

ρ = 0.148

p = 0.037

Wejsflog index R

ρ = 0.281

p < 0.001

ρ = 0.077

p = 0.277

ρ = 0.061

p = 0.392

ρ = 0.078

p = 0.270

Hallux valgus angle α L

ρ = −0.078

p = 0.271

ρ = 0.028

p = 0.692

ρ = 0.000

p = 0.995

ρ = 0.038

p = 0.595

Hallux valgus angle α R

ρ = −0.092

p = 0.196

ρ = −0.115

p = 0.106

ρ = − 0.147

p = 0.038

ρ = − 0.091

p = 0.201

The fifth toe angle β L

ρ = − 0.193

p = 0.006

ρ = − 0.147

p = 0.038

ρ = − 0.146

p = 0.039

ρ = − 0.141

p = 0.046

The fifth toe angle β R

ρ = − 0.134

p = 0.059

ρ = − 0.181

p = 0.010

ρ = − 0.156

p = 0.028

ρ = −0.180

p = 0.011

  1. ρ- Spearman’s rank correlation