highly significantP =0.001
Statistical analysis revealed a non-significant t-value of 0.660 for the ODI pre-surgery comparison ( P =0.509), but highly significant t-values of 30.000 for ODI post-surgery ( P =0.001), 1.843 for JOA pre-surgery ( P =0.066), and 25.620 for JOA post-surgery ( P =0.001), showing the effectiveness of the surgical intervention in the research group.