| Value | Category | Cases | |
|---|---|---|---|
| 0 | No: received treatm. | 1409 |
53.9%
|
| 1 | Yes: no treatment | 1204 |
46.1%
|
| 8 | Dk | 1 |
0%
|
| 9 | Missing | 31 | |
| Sysmiss | 102163 |