Technical outcome grading criteria
| Good | fusion and consolidation | |
| loss of correction up to 10° | ||
| no implant failure | ||
| Fair | pseudarthrosis or loss of correction >10° | |
| neuropraxia, deep infection, or re-operation | ||
| implant failure | ||
| Poor | no correction achieved, recurrent deformation | |
| paralysis, vascular complications or fatal complications | ||