| Sample | Adherence | |
| Classification with respect to AST12 | ||
| RA | 5B | |
| A1 | 4B | |
| A2 | 4B | |
| A3 | 4B | |
| A4 | 4B | |
| RB | 4B | |
| B1 | 3B | |
| B2 | 4B | |
| B3 | 3B | |
| B4 | 3B | |
| RC | 4B | |
| C1 | 3B | |
| C2 | 2B | |
| C3 | 2B | |
| C4 | 1B | |