| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 8 |
0.3%
|
| 2 | moderate | 212 |
7.5%
|
| 3 | mild | 336 |
11.8%
|
| 4 | not anemic | 2288 |
80.5%
|
| Sysmiss | 3637 |