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. 2021 Jul 20;11:14801. doi: 10.1038/s41598-021-94179-4

Table 2.

Long-term follow-up in Chicago Chiari Outcome Scores (CCOSs) depend on kind of grafts and methods of graft fixation.

CCOS (total score) 16 (excellent outcome) 15-12 (functional outcome) 11-8 (impaired outcome) 7-4 (incapacitated outcome)
Non-AutoGa 0 (0.0%) 33 (78.5%) 7 (16.7%) 2 (4.8%)
AutoGb 2 (7.1%) 20 (71.4%) 5 (17.9%) 1 (3.6%)
Sc 2 (4.3%) 34 (72.3%) 9 (19.1%) 2 (4.3%)
Gd 0 (0.0%) 18 (78.3%) 4 (17.4%) 1 (4.3%)

1Non-autologous graft, 2Autologous graft, 3Graft fixed with sutures, 4Graft fixed with glue.