| Value | Category | Cases | |
|---|---|---|---|
| 1 | Severe | 15 |
0.4%
|
| 2 | Moderate | 212 |
5.4%
|
| 3 | Mild | 307 |
7.8%
|
| 4 | Not anemic | 3395 |
86.4%
|
| 9 | 343 | ||
| Sysmiss | 2209 |