| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 Hours or More | 19 |
10.6%
|
| 2 | More than 45 minutes but Less than 3 Hours | 47 |
26.1%
|
| 3 | 45 Minutes or Less | 114 |
63.3%
|
| Sysmiss | 820 |