| Value | Category | Cases | |
|---|---|---|---|
| 1 | Blood | 7 |
7.8%
|
| 2 | Mucous | 36 |
40%
|
| 3 | Both | 5 |
5.6%
|
| 4 | Neither | 42 |
46.7%
|
| Sysmiss | 17 |