Table 4.

Motor function evaluation among group A

Case	Preoperative	Early postoperative	Long-term follow-up
1	N	P	N
2	N	N	N
3	N	C	C
4	N	N	N
5	N	P	P
6	N	P	N
7	N	N	N
8	N	N	N
9	N	C	P

Abbreviations: N no disability, P partial disability but independent, C complete disability