| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 8 |
0.3%
|
| 2 | moderate | 118 |
3.9%
|
| 3 | mild | 235 |
7.8%
|
| 4 | not anemic | 2648 |
88%
|
| Sysmiss | 8 |