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Vault (μm) over time.
| Day 1, day of fitting | 202 ± 82 (107–374) | |
| 1 month | 189 ± 94 (78–396) | p = 0.333 |
| 6 months | 165 ± 75 (70–300) | p = 0.013 |
| 12 months | 142 ± 77 (50–315) | p = 0.002* |
*Statistically significant after Bonferroni correction (p = 0.0083)
