Table 2 Comparison between medians of degree of auditory perceptual assessment of speech before and after intervention
Before intervention (n = 40) | After intervention (n = 40) | Test of significance (p) | |
|---|---|---|---|
Degree of nasality | |||
Median (min–max) | 1.5 (0–3) | 1(0–2) | (z = − 4.2, p < .0001**) |
Glottal | |||
Median (min–max) | 0 (0–3) | 0 (0–3) | (z = (z = − 2.8, p < .004 *) |
Pharyngeal fricative | |||
Median (min–max) | 1.5 (0− 3) | 0 (0− 3) | (z = − 4.1, p < .0001**) |
Consonant imprecision | |||
Median (min–max) | 1 (0− 2) | 0 (0− 2) | (z = − 4.03, p < .0001**) |
Overall intelligibility | |||
Median (min–max) | 1 (0− 3) | 0 (0− 2) | (z = − 3.64, p < .0001**) |