| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 3 |
0.2%
|
| 2 | moderate | 134 |
6.8%
|
| 3 | mild | 305 |
15.6%
|
| 4 | not anemic | 1517 |
77.4%
|
| Sysmiss | 53961 |