| Value | Category | Cases | |
|---|---|---|---|
| 1 | Coffee-colored fluid | 38 |
11.3%
|
| 2 | Bright red / blood red | 24 |
7.2%
|
| 3 | Clear / colorless | 38 |
11.3%
|
| 4 | Yellow | 100 |
29.9%
|
| 5 | Color of food | 41 |
12.2%
|
| 6 | Other | 43 |
12.8%
|
| 8 | Don't know | 51 |
15.2%
|
| 9 | 7 | ||
| Sysmiss | 3861 |