| Value | Category | Cases | |
|---|---|---|---|
| 1 | In office | 32 |
4.5%
|
| 2 | During next visit | 4 |
0.6%
|
| 3 | During check up visit | 15 |
2.1%
|
| 4 | Not corrected | 660 |
92.8%
|
| Sysmiss | 3811 |