2.4. Outcomes
NRS
RECRUITMENT
All recruited patients were evaluated three times: at the time of recruitment (T0), 30 days after the start of treatment (T1), and 60 days after the end of treatment (T2). During the initial clinical evaluation, demographic information (age, sex, BMI, education level) and clinical information (smoking habits and daily working hours) were collected. For each clinical evaluation, some rating scales were administered by the same physiatrist, such as the Numeric Rating Scale (NRS) [Patients were also asked to fill in a diary where they noted any daily intake of the combination of Paracetamol and Codeine and its frequency of intake during the day.Finally, all patients will be subjected to stabilometric analysis using a baropodometric platform that uses the FreeMed posturography system (produced by Sensor Medica, Guidonia Montecelio, Roma, Italy). During the stabilometric examination, the length of the beam (mm) was considered, which is the size of the section drawn by the oscillation of the center of gravity (CoP) during the test; the surface of the ellipse (mm