Composite criterion of success 24Months [clinicaltrials_resource:1b34c9f4febd2685a9a7d8a81775da3e]

the success is defined by a composite criterion of 4 points. The surgery will be a success only if there is: A 15-point improvement in the NDI score from the preoperative baseline score Maintenance or improvement of the pre-op baseline neurological status Absence of secondary surgical intervention Absence of serious adverse event

Composite criterion of success 24Months [clinicaltrials_resource:1b34c9f4febd2685a9a7d8a81775da3e]

the success is defined by a composite criterion of 4 points. The surgery will be a success only if there is: A 15-point improvement in the NDI score from the preoperative baseline score Maintenance or improvement of the pre-op baseline neurological status Absence of secondary surgical intervention Absence of serious adverse event