Table 4.
Comparison of dynamic features between the first three formants of the vowel /aa/ in normal, polyp, and unilateral VCP subjects for females. The term SD indicates standard deviation.
| Delta F1 mean | Delta F1 SD | Delta F2 mean | Delta F2 SD | Delta F3 mean | Delta F3 SD | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | P value | Mean | SD | P value | Mean | SD | P value | Mean | SD | P value | Mean | SD | P value | Mean | SD | P value | |
| Normal | −0.03 | 1.15 | 18.5 | 22.5 | −0.03 | 1.15 | 18.5 | 22.5 | −0.03 | 1.15 | 18.5 | 22.5 | ||||||
| Polyp | −0.16 | 0.66 | 0.627 | 28.3 | 22.8 | 0 | −0.16 | 0.66 | 0.627 | 28.3 | 22.8 | 0 | −0.16 | 0.66 | 0.627 | 28.3 | 22.8 | 0 |
| Unilateral VCP |
−0.28 | 0.91 | 0.761 | 32.7 | 26.0 | 0 | −0.28 | 0.91 | 0.761 | 32.7 | 26.0 | 0 | −0.28 | 0.91 | 0.761 | 32.7 | 26.0 | 0 |