| Value | Category | Cases | |
|---|---|---|---|
| 1 | In office | 47 |
6.4%
|
| 2 | During next visit | 5 |
0.7%
|
| 3 | During check up visit | 31 |
4.2%
|
| 4 | Not corrected | 657 |
88.8%
|
| Sysmiss | 3782 |