Table 2. Frequency of foot deformities depending on the gender of the studied children.

Variable		Girls		Boys		Chi-square test
		n	%	n	%
The medial longitudinal arch based on the Clarke’s angle reference values for girls: 29–49° and for boys: 20–44° (Lizis, 2000)
Right foot	Normal foot	35	70.0	34	68.0	χ2(2) = 0.31p = 0.857
	Flat foot	10	20.0	12	24.0
	High arched foot	5	10.0	4	8.0
Left foot	Normal foot	31	62.0	33	66.0	χ2(2) = 1.10p = 0.577
	Flat foot	13	26.0	14	28.0
	High arched foot	6	12.0	3	6.0
Transverse arch based on the heel angle reference values: 15–18° (Lizis, 2000)
Right foot	Normal foot	28	56.0	35	70.0	χ2(2) = 2.21p = 0.331
	Flat foot	15	30.0	11	22.0
	High arched foot	7	14.0	4	8.0
Left foot	Normal foot	30	60.0	34	68.0	χ2(2) = 0.80p = 0.669
	Flat foot	14	28.0	12	24.0
	High arched foot	6	12.0	4	8.0
Setting of the hallux based on the hallux valgus angle reference values: 0–9° (Lizis, 2000)
Right foot	Normal setting	47	94.0	45	90.0	χ2(1) = 0.54p = 0.461
	Hallux valgus	3	6.0	5	5.0
Left foot	Normal setting	46	92.0	47	94.0	χ2(1) = 0.15p = 0.695
	Hallux valgus	4	8.0	3	6.0
Setting of the Vth toe based on the angle of the varus deformity of the Vth toe reference values: 0–9° (Lizis, 2000)
Right foot	Normal setting	14	28.0	6	12.0	χ2(1) = 4.00p = 0.045*
	The Vth toe varus deformity	36	72.0	44	88.0
Left foot	Normal setting	6	12.0	6	12.0	χ2(1) = 0.00p = 1.000
	The Vth toe varus deformity	44	88.0	44	88.0

Notes.

n

number of subjects

%

percent of subjects

χ²

value of the Chi-square test statistic

p

probability value

^*α = 0.05.