The number of children with U-toe

4-year

4.5-year

5-year

5.5-year

6-year

6.5-year

Total

B-group

n

33

19

27

27

23

22

151

NB-group

n

25

32

26

35

33

39

190

Left foot

Fifth toe

B-group

n

23

13

21

20

17

20

114

(%)

69.7

68.4

77.8

74.1

73.9

90.9

75.5

NB-group

n

22

30

20

26

31

35

164

(%)

88.0

93.8

76.9

74.3

93.9

89.7

86.3

Fourth toe

B-group

n

4

2

0

2

2

1

11

(%)

12.1

10.5

0.0

7.4

8.7

4.5

7.3

NB-group

n

2

4

2

3

6

5

22

(%)

8.0

12.5

7.7

8.6

18.2

12.8

11.6

Third toe

B-group

n

1

0

0

0

0

0

1

(%)

3.0

0.0

0.0

0.0

0.0

0.0

0.7

NB-group

n

0

0

0

0

2

0

2

(%)

0.0

0.0

0.0

0.0

6.1

0.0

1.1

Second toe

B-group

n

3

2

2

1

1

1

10

(%)

9.1

10.5

7.4

3.7

4.3

4.5

6.6

NB-group

n

4

3

1

2

4

1

15

(%)

16.0

9.4

3.8

5.7

12.1

2.6

7.9

First toe

B-group

n

0

0

0

0

0

0

0

(%)

0.0

0.0

0.0

0.0

0.0

0.0

0.0

NB-group

n

0

0

0

0

0

0

0

(%)

0.0

0.0

0.0

0.0

0.0

0.0

0.0

Right foot

Fifth toe

B-group

n

18

12

17

21

15

14

97

(%)

54.5

63.2

63.0

77.8

65.2

63.6

64.2

NB-group

n

17

20

19

20

21

25

122

(%)

68.0

62.5

73.1

57.1

63.6

64.1

64.2

Fourth toe

B-group

n

6

2

0

1

0

3

12

(%)

18.2

10.5

0.0

3.7

0.0

13.6

7.9

NB-group

n

2

2

4

3

4

6

21

(%)

8.0

6.3

15.4

8.6

12.1

15.4

11.1

Third toe

B-group

n

1

0

0

1

0

0

2

(%)

3.0

0.0

0.0

3.7

0.0

0.0

1.3

NB-group

n

1

0

0

2

0

2

5

(%)

4.0

0.0

0.0

5.7

0.0

5.1

2.6

Second toe

B-group

n

2

3

1

1

3

2

12

(%)

6.1

15.8

3.7

3.7

13.0

9.1

7.9

NB-group

n

5

4

3

3

4

3

22

(%)

20.0

12.5

11.5

8.6

12.1

7.7

11.6

First toe

B-group

n

0

0

0

0

0

0

0

(%)

0.0

0.0

0.0

0.0

0.0

0.0

0.0

NB-group

n

0

1

0

0

1

0

2

(%)

0.0

3.1

0.0

0.0

3.0

0.0

1.1