Table 3 Comparison between pre-injection and post-injection results of voice analysis after IL by general anesthesia (n = 7)

Pre-injection scores (mean ± SD)

2.57 ± 0.43

1.71 ± 0.64

1.68 ± 1.32

0.428 ± 0.86

1.14 ± 1.36

59.48 ± 9.02

-No gap

-0 Small gap

-3 Moderate

-4 Large gap

7.28 ± 2.34

1.16 ± 0.82

0.180 ± 0.06

5.88 ± 0.42

1 week post injection scores

(mean ± SD)

1.57 ± 0.43

1.02 ± 0.04

0.98 ± 0.58

0.26 ± 0.56

0.71 ± 0.34

38.02 ± 8.44

-No gap

-2 Small gap

-3 Moderate

-2 Large gap

4.28 ± 1.54

0.864 ± 0.58

0.147 ± 0.08

8.26 ± 0.82

1 month post injection scores

(mean ± SD)

0.98 ± 0.48

0.54 ± 0.58

0.28 ± 0.62

0.167 ± 0.34

0.18 ± 0.20

26.08 ± 5.14

- 2 No gap

-5 Small gap

-0 Moderate

-0 Large gap

2.24 ± 1.24

0.38 ± 0.08

0.098 ± 0.03

9.24 ± 0.42

P value