Table 1: Expression of TUNEL (+) cells in the spinal cord ( ± , %).

GroupsNormal group3-day
group
7-day
group
16-day
group
30-day
group

TUNEL (+) cells0.503 ± 0.5412.472 ± 0.4722.845 ± 0.517△*3.964 ± 0.944△#3.325 ± 0.630△#

P < 0.01, compared to the normal group; *P > 0.05, compared to the 3-day group; #P < 0.05, compared to the 3-day group.