| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than 3 | 8 |
11.8%
|
| 2 | 3-6 hours | 17 |
25%
|
| 3 | 6-12 hours | 38 |
55.9%
|
| 4 | 12-24 hours | 5 |
7.4%
|
| 0 | 5797 | ||
| 99999999 | 134 | ||
| Sysmiss | 2 |