Table 2:
Correlation between VRS-3 and NRS -10.
Verbal Rating Scale
Numerical Rating Scale
(mean and standard deviation)
Spearman's rho
p-value
Mild
2.961 ± 1.455
0.810
< 0.0001
Moderate
5.148 ± 1.231
Severe
8.528 ± 0.973