Findings from CT analysis.
| 12-Month CT Scan | Right (N=92 sides) | Left (N=93 sides) | ||
|---|---|---|---|---|
| Sacral | Iliac | Sacral | Iliac | |
| Adherence of bone to implant on 30% or more Implant 1 Implant 2 Implant 3 Implant 4 | 88 (95.7%) 89 (96.7%) 83 (94.3%) 7 (87.5%) | 90 (97.8%) 90 (97.8%) 86 (97.7%) 8 (100.0%) | 91 (97.8%) 90 (96.8%) 86 (93.5%) 15 (93.8%) | 91 (97.8%) 91 (97.8%) 90 (97.8%) 16 (100.0%) |
| At least 30% apposition on both iliac and sacral sides of at least 2 implants | 90 (97.8%) | 90 (96.8%) | ||
| Lucency in at least 1 implant Absent Present Unable to assess | 80 (87.9%) 9 (9.9%) 2 (2.2%) | 83 (89.2%) 8 (8.6%) 2 (2.2%) | ||
| Breach Absent Present – anterior sacrum Present – sacral foramen Unable to assess | 85 (93.4%) 1 (1.1%) 3 (3.3%) 2 (2.2%) | 83 (89.2%) 1 (1.1%) 7 (7.5%) 2 (2.2%) | ||
| Device failure No Yes Unable to assess | 89 (97.8%) 0 (0%) 2 (2.2%) | 91 (97.8%) 0 (0%) 2 (2.2%) | ||
| Device migration* Absent Present Unable to assess | 89 (97.8%) 0 (0%) 2 (2.2%) | 91 (97.8%) 0 (0%) 2 (2.2%) | ||
| Adverse bone reaction Absent Present Unable to assess | 86 (94.5%) 3 (3.3%) 2 (2.2%) | 85 (91.4%) 6 (6.5%) 2 (2.2%) | ||
| Bone remodeling Absent Present Unable to assess | 14 (15.4%) 75 (82.4%) 2 (2.2%) | 10 (10.8%) 81 (87.1%) 2 (2.2%) | ||
| Bridging bone Absent Present - adjacent and distant Present – adjacent Present – distant Unable to assess | 68 (74.7%) 2 (2.2%) 14 (15.4%) 4 (4.4%) 3 (3.3%) | 72 (77.4%) 2 (2.2%) 11 (11.8%) 6 (6.5%) 2 (2.2%) | ||
↵* Defined as movement ≥3 mm.