OA | Males | Females | ||||||||||||
Left | Right |
| Left | Right |
| |||||||||
N | n | %n | N | n | %n | p | N | n | %n | N | n | %n | p | |
OF | 68 | 34 | 50 | 69 | 39 | 57 | 0.41 | 61 | 25 | 41 | 65 | 30 | 46 | 0.57 |
PO | 72 | 11 | 15 | 75 | 13 | 17 | 0.74 | 71 | 6 | 9 | 72 | 4 | 6 | 0.50 |
EB | 72 | 2 | 3 | 75 | 1 | 1.3 | 0.48 | 71 | 0 | 0.0 | 71 | 0 | 0.0 | 1.00 |