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Number of implants (and the number of patients) evaluated at each time point of the study
| Initial placement | Time period: 6–12 months | Time period: 13–24 months | Time period: 25–36 months | Time period: 37–48 months | Total | |
|---|---|---|---|---|---|---|
| BL | 179 (63) | 77 (42) | 132 (51) | 56 (30) | 15 (6) | 459 (192) |
| TE | 158 (66) | 79 (44) | 89 (48) | 43 (26) | 41 (19) | 410 (203) |
| Total | 337 (129) | 156 (86) | 221 (99) | 99 (56) | 56 (25) | 869 (395) |
