| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 34 |
0.2%
|
| 2 | moderate | 621 |
4%
|
| 3 | mild | 1376 |
8.8%
|
| 4 | not anemic | 13547 |
87%
|
| Sysmiss | 15242 |