| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 214 |
76.4%
|
| 1 | Left | 16 |
5.7%
|
| 2 | Right | 11 |
3.9%
|
| 3 | Bilateral | 39 |
13.9%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 10 | |
| Sysmiss | 2394 |