| Value | Category | Cases | |
|---|---|---|---|
| 1 | In office | 8 |
1.1%
|
| 2 | During next visit | 1 |
0.1%
|
| 3 | During check up visit | 6 |
0.9%
|
| 4 | Not corrected | 682 |
97.8%
|
| Sysmiss | 3825 |