| Value | Category | Cases | |
|---|---|---|---|
| 1 | Severe | 23 |
0.4%
|
| 2 | Moderate | 859 |
16.4%
|
| 3 | Mild | 1227 |
23.5%
|
| 4 | Not anemic | 3113 |
59.6%
|
| 9 | 224 | ||
| Sysmiss | 27179 |