Table 1.
Bridging bony trabeculation outside the cage zone and level distribution (Obs observer)
| Level | Lateral | Anterior | Posterior | Medial | ||||
|---|---|---|---|---|---|---|---|---|
| Obs 1 | Obs 2 | Obs 1 | Obs 2 | Obs 1 | Obs 2 | Obs 1 | Obs 2 | |
| L3/4 (n=18) | 16 (89%) | 16 (89%) | 13 (72%) | 14 (78%) | 14 (78%) | 14 (78%) | 6 (33%) | 7 (33%) |
| L4/5 (n=74) | 58 (74%) | 67 (86%) | 48 (62%) | 65 (78%) | 45 (58%) | 67 (86%) | 42 (54%) | 46 (59%) |
| L5/S1 (n=60) | 38 (63%) | 48 (80%) | 20 (33%) | 24 (40%) | 21 (35%) | 31 (52%) | 8 (13%) | 18 (30%) |
| Total (n=156) | 112 (72%) | 131 (84%) | 81 (52%) | 103 (66%) | 80 (51%) | 112 (72%) | 56 (36%) | 71 (46%) |