2.1. Study Design
disability, Pain, pain
This prospective randomized trial was conducted between January 2020 and November 2022 at the Clinical Department of Pain Management at the University Hospital Osijek after obtaining the approval of the Ethics Committee of Osijek Clinical Hospital Center (R2-18577/2019) and in accordance with the Declaration of Helsinki. All participants received a written consent form describing the procedure to be performed, and the procedure was explained to patients orally. After signing the informed consent, the patients were divided into 2 groups based on whether there was discoradicular contact. This study included 60 participants, among which 1 participant dropped out, so the statistical analysis was made on 59 participants. At the beginning of this study, before ESI TF (baseline), and 1 and 3 months after ESI TF, the participants rated their pain intensity by the VAS and their degree of disability was measured by the ODI (