2.2. Numeric Rating Scale
Pain, pain
GROUP B
Pain assessment using the Numeric Rating Scale (NRS) scale showed similar values in the two groups at the first assessment. At baseline, the NRS score was 5.6 ± 2.2 in Group A and 5.8 ± 1.7 in Group B. In both groups, an improvement in pain was recorded after treatment: at 1 month, the NRS score was 2.3 ± 2.2 in Group A and 2.6 ± 2.2 in Group B; at 3 months 2.9 ± 2.6 and 2.5 ± 2.3, respectively; and at 6 months 3.6 ± 2.6 and 3.2 ± 2.7, respectively (as depicted in The interaction effects of group and time were statistically significant on the outcome (