| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 521 |
65.9%
|
| 2 | Mild | 245 |
31%
|
| 3 | Moderate | 16 |
2%
|
| 4 | Severe | 7 |
0.9%
|
| 8 | Uncertain | 1 |
0.1%
|
| 88 | N/A | 0 |
0%
|
| Sysmiss | 791 |