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| Frankel grade (%) | TMC group (n = 86) | AIBG group (n = 60) | ||
|---|---|---|---|---|
| Preoperative | Postoperative | Preoperative | Postoperative | |
| A | 1 (1.2) | 0 (0) | 1 (1.7) | 0 (0) |
| B | 1 (1.2) | 1 (1.2) | 4 (6.7) | 0 (0) |
| C | 5 (5.8) | 1 (1.2) | 2 (3.2) | 2 (3.3) |
| D | 34 (39.5) | 8 (9.3) | 22 (36.7) | 7 (11.7) |
| E | 45 (52.3) | 76 (88.3) | 31 (51.7) | 51 (85.0) |
Note: TMC, titanium mesh cages; AIBG, autogenous iliac bone graft.
