Table 2.

Pre- and postoperative SST scores at the final follow-up

Patients	Preoperative SST	Postoperative SST	Increase in SST
1	8	9	1
2	4	11	7
3	3	12	9
4	6	10	4
5	5	9	4
6	4	7	3
7	5	8	3
8	6	9	3
9	7	10	3
10	3	11	8
11	4	9	5
12	5	12	7
13	5	9	4
14	6	8	2
15	3	9	6
16	7	11	4
17	6	9	3
18	5	10	5
19	6	12	6
20	7	12	5
21	4	10	6
22	3	11	8
23	2	3	1
24	4	8	4
25	5	9	4
26	4	11	7
27	6	10	4
28	4	10	6
29	7	7	0
30	5	8	3
31	5	5	0
32	3	8	5
33	3	10	7
34	8	11	3
35	3	9	6
36	4	8	4
37	5	9	4
38	2	3	1
39	6	11	5
40	5	10	5
41	6	9	3
42	7	8	1
43	2	9	7
44	4	8	4
45	7	9	2
46	8	8	0
47	5	8	3
Mean	4.9	9.1	4.1
SD	1	2.3	2.3
Max	8	12	9
Min	2	3	0