| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 17 |
0.4%
|
| 2 | moderate | 135 |
3.4%
|
| 3 | mild | 282 |
7%
|
| 4 | not anemic | 3580 |
89.2%
|
| Sysmiss | 51906 |