| Value | Category | Cases | |
|---|---|---|---|
| 1 | In office | 36 |
4.8%
|
| 2 | During next visit | 31 |
4.1%
|
| 3 | During check up visit | 28 |
3.7%
|
| 4 | Not corrected | 660 |
87.4%
|
| Sysmiss | 3767 |