Table 4.

Level of instrumentation and corresponding functional scores

Patient	Level	VAS-Back pain	SRS-22 Total	ODI
1	T4-T11	3	4.14	12
2	T4-T11	1	4.4	8
3	T4-L1	0	5	0
4	T4-L1	7	3.14	46
5	T2-L2	1	4.6	12
6	T2-L2	8	3.22	44
7	T3-L2	0	4.88	6
8	T3-L2	2	3.6	18
9	T4-L2	0	4.72	0
10	T4-L2	0	4.52	2
11	T4-L2	0	4.64	10
12	T4-L2	8	3.48	32
13	T5-L2	2	4.3	10
14	T5-L2	5	4.12	24
15	T4-L3	0	4.08	8
16	T4-L3	1	4.58	8
17	T4-L3	0	4.92	8
18	T5-L3	5	3.38	28
19	T4-L3	5	2.88	34
20	T5-L4	2	3.96	14
21	T5-L4	4	4.06	8
22	T6-L4	0	4.64	6