From: Successful and rapid response of speech bulb reduction program combined with speech therapy in velopharyngeal dysfunction: a case report
Nasalance score (%)
Vowels
/a/
/i/
/e/
/o/
/u/
/ja/
/je/
/wi/
Mean (%)
8.6
22.3
8.7
8.4
10.0
8.5
20.5
Before Intervention
37.5
78.4
49.5
42.3
53.4
35.5
53.9
39.2
After Intervention
4.1
12.7
3.3
2.7
4.3
3.7
5.7
9.5