Table 2.

Compare Preoperative and Final Follow-Up ASIA Between the Two Groups

Group	Preoperative ASIA			Final Follow-Up ASIA
	B	C	D	B	C	D	E
3DP-AVB (n=12)	1	6	5	1	1	3	7*
TMC (n=16)	2	7	7	1	1	2	12*
Χ2	0.176			0.964
P	0.916			0.810

Note: *P<0.05 Compare with preoperative and final follow-up.