Six months or more after IDET, 78 cases (55%) received at least two narcotic prescriptions;53 cases (37%) had at least one lumbar injection, and 32 cases (23%) had lumbar surgery.

• IDET使用后6个月后，78位(55%25)患者接受至少两种之麻醉性止痛剂，53位(37%25)患者至少接受一种腰椎注射，32位(23%25)患者接受腰椎手术。