| Value | Category | Cases | |
|---|---|---|---|
| 1 | Safe | 798 |
78.1%
|
| 2 | Neither safe nor unsafe | 172 |
16.8%
|
| 3 | Not safe | 52 |
5.1%
|
| 0 | NR | 56 | |
| 9 | NA | 1891 | |
| Sysmiss | 31 |