| ABG | 1 month | 3 months | ||
|
| PTFE (%) | Titanium (%) | PTFE (%) | Titanium (%) |
| <10 (excellent) | 5.26 | 9.09 | 63.16 | 72.72 |
| 11 - 20 (good) | 68.42 | 63.63 | 21.05 | 9.09 |
| 21 - 30 (fair) | 15.79 | 18.18 | 5.26 | 18.18 |
| >31 (failure) | 10.52 | 9.09 | 10.52 | 0 |