| Value | Category | Cases | |
|---|---|---|---|
| 0 | No: received treatm. | 15 |
48.4%
|
| 1 | Yes: no treatment | 16 |
51.6%
|
| 8 | DK | 0 |
0%
|
| 9 | 1 | ||
| Sysmiss | 30040 |