| Value | Category | Cases | |
|---|---|---|---|
| 0 | No ulcer/abcess/sore | 3831 |
91.1%
|
| 1 | Days | 115 |
2.7%
|
| 2 | Months | 219 |
5.2%
|
| 9 | Special answers | 38 |
0.9%
|