Table 2.
Intragroup comparison of target variables.
| Spacer material | Size | MAAa, cm2 (mean ± SD) | Ratio CSA to MAA | TAVa, cm2 (mean ± SD) | Ratio IV to TAV |
|---|---|---|---|---|---|
| Group I MgAlMn50 (n = 3) | Small | 1.91 ± 0.04 | 1:1.3 | 1.83 ± 0.09 | 1:1.5 |
| Medium | 3.26 ± 0.06 | 1:1.4 | 4.17 ± 0.09 | 1:1.8 | |
| Large | 4.06 ± 0.07 | 1:1.2 | 5.08 ± 0.15 | 1:1.3 | |
| Group II TiAl6V4 (n = 3) | Small | 3.26 ± 0.04 | 1:2.2 | 5.71 ± 0.09 | 1:4.8 |
| Medium | 4.61 ± 0.23 | 1:1.9 | 9.32 ± 0.10 | 1:4.1 | |
| Large | 5.54 ± 0.04 | 1:1.6 | 10.84 ± 0.13 | 1:2.9 | |
| Group III CFRP (n = 3) | Small | 1.89 ± 0.07 | 1:1.3 | 1.81 ± 0.07 | 1:1.5 |
| Medium | 3.18 ± 0.06 | 1:1.3 | 4.09 ± 0.11 | 1:1.7 | |
| Large | 4.06 ± 0.13 | 1:1.2 | 5.08 ± 0.13 | 1:1.3 |
CSA cross-sectional area, MAA median artifact area, IV implant volume, TAV total artifact volume, SD standard deviation
aNewman–Keuls multiple-comparison analysis p < 0.001