Clinical Trials Study
Copyright ©The Author(s) 2025.
World J Stem Cells. May 26, 2025; 17(5): 101675
Published online May 26, 2025. doi: 10.4252/wjsc.v17.i5.101675
Table 8 Results of the Friedman test for changes in the American Spinal Injury Association Motor score values before and after intervention

n
Mean
SD
Mean rank
χ2
df
P value
Preoperative61.672.662.00
Postoperative week 161.672.662.00
Postoperative month 163.333.932.7523.93850.000
Postoperative month 267.675.284.08
Postoperative month 6612.008.104.75
Postoperative month 12615.0011.235.42