Table 3. FOG-Q and GF-Q scores preoperatively and at 1, 3, 6, and 12 months after PPN deep brain stimulation.
FOG-Q : freezing of gait questionnaire, GF-Q : gait and falling questionnaire, PPN : pedunculopontine nucleus
FOG-Q : freezing of gait questionnaire, GF-Q : gait and falling questionnaire, PPN : pedunculopontine nucleus