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. 2025 Dec 5;27:21. doi: 10.1186/s12891-025-09382-5

Table 2.

AO Spine thoracolumbar injury classification system of patients

DISH
(n=22)
Y-non-DISH
(n=24)
O-non-DISH
(n=25)
Type A2 n (%) 0 (0%) 1 (4%) 0 (0%)
A3, n (%) 2 (9%) 5 (21%) 1 (4%)
A4, n (%) 1 (5%) 0 (0%) 5 (20%)
B1, n (%) 1 (5%) 6 (25%) 6 (24%)
B2, n (%) 13 (59%) 12 (50%) 11 (44%)
B3, n (%) 3 (14%) 0 (0%) 1 (4%)
C, n (%) 2 (9%) 0 (0%) 1 (4%)

DISH Diffuse idiopathic skeletal hyperostosis