If you are using SharePoint Workflows the system stores a digital value instead of the text value.
| Status | Value |
|---|---|
| Not Started | 0 |
| Failed on Start | 1 |
| In Progress | 2 |
| Error Occurred | 3 |
| Canceled | 4 |
| Completed | 5 |
| Failed on Start (retrying) | 6 |
| Error Occurred (retrying) | 7 |
| Canceled | 15 |
| Approved | 16 |
| Rejected | 17 |