| Value | Category | Cases | |
|---|---|---|---|
| 1 | Severe | 7 |
0.8%
|
| 2 | Moderate | 117 |
13.1%
|
| 3 | Mild | 154 |
17.3%
|
| 4 | Not anemic | 614 |
68.8%
|
| 9 | 50 | ||
| Sysmiss | 5539 |