| Value | Category | Cases | |
|---|---|---|---|
| 1 | Severe | 9 |
0.1%
|
| 2 | Moderate | 174 |
2.4%
|
| 3 | Mild | 1079 |
15%
|
| 4 | Not anemic | 5947 |
82.5%
|
| 9 | 559 | ||
| Sysmiss | 24857 |