Skip to main content

Table 1 Comparison of therapeutic effect assessment index between the two groups before and after surgery (x ± s)

From: The effect of dural release on extended laminoplasty for the treatment of multi-level cervical myelopathy

Group Cases VAS score JOA score
Preoperative Last follow-up t and p value Preoperative Last follow-up t and p value Improvement rate (%)
A 35 4.63 ± 1.88 0.81 ± 0.66 t = 22.158, p < 0.001 8.25 ± 1.36 15.59 ± 3.06 t = 43.066, p < 0.001 82.79 ± 11.57
B 38 4.78 ± 1.35 2.23 ± 0.97 t = 16.310, p < 0.001 8.29 ± 1.68 12.57 ± 3.01 t = 14.933, p < 0.001 47.35 ± 9.79
t and p value   t = 1.659, p = 0.107 t = 11.596, p < 0.001   t = 0.833, p = 0.423 t = 20.496, p < 0.001   t = 24.762, p < 0.001