| Value | Category | Cases | |
|---|---|---|---|
| 1 | Medicine | 3 |
25%
|
| 2 | Urethral catheter | 6 |
50%
|
| 3 | Previous operation | 3 |
25%
|
| 6 | Refused | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| Sysmiss | 929 |