Subjects

SPT pre op

SPT post op

1

0%

96%

2

0%

44%

3

4%

46%

4

0%

24%

5

0%

82%

6

8%

96%

7

0%

32%

8

40%

90%

9

0%

100%

10

0%

40%

11

0%

96%

12

56%

100%

13

0%

98%

14

0%

96%

15

0%

96%

16

0%

54%

17

0%

44%

18

0%

82%

19

12%

92%

20

0%

88%

21

46%

74%

22

28%

90%