| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 2 |
0.1%
|
| 2 | moderate | 70 |
4.5%
|
| 3 | mild | 145 |
9.2%
|
| 4 | not anemic | 1356 |
86.2%
|
| Sysmiss | 11376 |