| Value | Category | Cases | |
|---|---|---|---|
| 1 | Patient choice | 39 |
1.3%
|
| 2 | Stopped by doctor | 29 |
1%
|
| 3 | Other | 64 |
2.1%
|
| 7 | Not applicable | 2735 |
90.9%
|
| 9 | Missing | 143 |
4.8%
|