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 | 32 | 25 | 24 | 15 | 25 | 17 | 138 | ||
NB-group | n | 15 | 31 | 31 | 26 | 27 | 20 | 150 | ||
Left foot | Fifth toe | B-group | n | 27 | 15 | 18 | 9 | 16 | 13 | 98 |
(%) | 84.4 | 60.0 | 75.0 | 60.0 | 64.0 | 76.5 | 71.0 | |||
NB-group | n | 12 | 24 | 26 | 21 | 21 | 11 | 115 | ||
(%) | 80.0 | 77.4 | 83.9 | 80.8 | 77.8 | 55.0 | 76.7 | |||
Fourth toe | B-group | n | 5 | 2 | 2 | 0 | 3 | 0 | 12 | |
(%) | 15.6 | 8.0 | 8.3 | 0.0 | 12.0 | 0.0 | 8.7 | |||
NB-group | n | 2 | 3 | 2 | 0 | 2 | 1 | 10 | ||
(%) | 13.3 | 9.7 | 6.5 | 0.0 | 7.4 | 5.0 | 6.7 | |||
| 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 | 1 | 0 | 1 | 0 | 0 | 2 | |
|
| (%) | 0.0 | 3.2 | 0.0 | 3.8 | 0.0 | 0.0 | 1.3 | |
Second toe | B-group | n | 2 | 1 | 1 | 0 | 0 | 0 | 4 | |
|
|
| (%) | 6.3 | 4.0 | 4.2 | 0.0 | 0.0 | 0.0 | 2.9 |
| NB-group | n | 2 | 3 | 1 | 1 | 4 | 0 | 11 | |
|
| (%) | 13.3 | 9.7 | 3.2 | 3.8 | 14.8 | 0.0 | 7.3 | |
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 | 1 | 0 | 0 | 1 | |
|
| (%) | 0.0 | 0.0 | 0.0 | 3.8 | 0.0 | 0.0 | 0.7 | |
Right foot | Fifth toe | B-group | n | 19 | 20 | 18 | 9 | 20 | 14 | 100 |
(%) | 59.4 | 80.0 | 75.0 | 60.0 | 80.0 | 82.4 | 72.5 | |||
NB-group | n | 7 | 20 | 22 | 19 | 17 | 13 | 98 | ||
(%) | 46.7 | 64.5 | 71.0 | 73.1 | 63.0 | 65.0 | 65.3 | |||
Fourth toe | B-group | n | 4 | 4 | 0 | 0 | 6 | 0 | 14 | |
(%) | 12.5 | 16.0 | 0.0 | 0.0 | 24.0 | 0.0 | 10.1 | |||
NB-group | n | 2 | 2 | 3 | 2 | 1 | 1 | 11 | ||
| (%) | 13.3 | 6.5 | 9.7 | 7.7 | 3.7 | 5.0 | 7.3 | ||
Third toe | B-group | n | 0 | 0 | 0 | 0 | 1 | 0 | 1 | |
|
|
| (%) | 0.0 | 0.0 | 0.0 | 0.0 | 4.0 | 0.0 | 0.7 |
| NB-group | n | 0 | 2 | 0 | 1 | 0 | 0 | 3 | |
|
| (%) | 0.0 | 6.5 | 0.0 | 3.8 | 0.0 | 0.0 | 2.0 | |
Second toe | B-group | n | 1 | 2 | 0 | 0 | 2 | 0 | 5 | |
(%) | 3.1 | 8.0 | 0.0 | 0.0 | 8.0 | 0.0 | 3.6 | |||
| NB-group | n | 3 | 3 | 0 | 1 | 2 | 0 | 9 | |
|
| (%) | 20.0 | 9.7 | 0.0 | 3.8 | 7.4 | 0.0 | 6.0 | |
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 | 1 | 0 | 0 | 0 | 1 |
|
| (%) | 0.0 | 0.0 | 3.2 | 0.0 | 0.0 | 0.0 | 0.7 |