| Value | Category | Cases | |
|---|---|---|---|
| 1 | In office | 51 |
6.8%
|
| 2 | During next visit | 17 |
2.3%
|
| 3 | During check up visit | 19 |
2.5%
|
| 4 | Not corrected | 659 |
88.3%
|
| Sysmiss | 3776 |