Table 2. Correlation between foot arch ratio and other parameters in female subjects (n=17).

Measurement items	Mean value	Correlation coefficient
Ratio of foot arch height (%)	11.2 ± 2.6
Height (cm)	160.4 ± 6.2	0.4116
Weight (kg)	53.8 ± 7.9	0.3130
BMI (kg/m2)	20.9 ± 2.3	0.1297
Hallux valgus angle (°)	11.0 ± 4.0	−0.3707*
Digitus minimus varus (°)	15.9 ± 6.2	−0.1507
Tibialis posterior muscle strength (Nm)	14.2 ± 4.6	0.3561*
Toe grip strength (kg)	9.0 ± 2.7	0.3770*
Leg–heel alignment (°)	6.6 ± 2.9	−0.4688**
Femoro-tibial angle (°)	175.4 ± 2.1	0.1172

Data are expressed as mean ± SD. *Significant difference p<0.05. **Significant difference p<0.01.