| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 192 |
50.5%
|
| 2 | Very mild | 21 |
5.5%
|
| 3 | Mild | 40 |
10.5%
|
| 4 | Moderstae | 86 |
22.6%
|
| 5 | Severe | 15 |
3.9%
|
| 6 | Very severe | 26 |
6.8%
|