Period of deformity development (years)

N = 396

p

≤5

6 - 10

11 - 15

16 - 20

21+

Deformity assessed by absolute value

Less than 17.50,

N = 2,

0.5%

Count

0

2

0

0

0

χ2 (12,396)-\ = 31.213, Sig = 0.002

Cramer’s V = 0.162

% within Deformity

0.0%

100.0%

0.0%

0.0%

0.0%

% within Period

0.0%

1.1%

0.0%

0.0%

0.0%

% of Total

0.0%

0.5%

0.0%

0.0%

0.0%

From 17.50 to 32.69

N = 145,

36.6%

Count

51

61

24

8

1

% within Deformity

35.2%

42.1%

16.6%

5.5%

0.7%

% within Period

53.1%

33.2%

33.8%

22.2%

11.1%

% of Total

12.9%

15.4%

6.1%

2.0%

0.3%

From 32.70 to 44.69

N = 206

52.0%

Count

40

103

37

22

4

% within Deformity

19.4%

50.0%

18.0%

10.7%

1.9%

% within Period

41.7%

56.0%

52.1%

61.1%

44.4%

% of Total

10.1%

26.0%

9.3%

5.6%

1.0%

From 44.70 and more N = 43

10.9%

Count

5

18

10

6

4

% within Deformity

11.6%

41.9%

23.3%

14.0%

9.3%

% within Period

5.2%

9.8%

14.1%

16.7%

44.4%

% of Total

1.3%

4.5%

2.5%

1.5%

1.0%

Total

Count

96

184

71

36

9

% of Total

24.2%

46.5%

17.9%

9.1%

2.3%