Table 2.
Comparison of static 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.
| F1 mean | F1 SD | F2 mean | F2 SD | F3 mean | 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 | 844 | 103 | 66.6 | 73.1 | 1393 | 127 | 87.8 | 82.3 | 2762 | 481 | 240.6 | 250.4 | ||||||
| Polyp | 763 | 134 | 0 | 99.4 | 72.3 | 0 | 1380 | 154 | 0.639 | 99.8 | 64.8 | 0.001 | 2894 | 326 | 0.128 | 237.6 | 229.0 | 0.139 |
| Unilateral VCP | 791 | 200 | 0.148 | 117.9 | 90.8 | 0 | 1436 | 169 | 0.027 | 113.3 | 105.3 | 0.003 | 2994 | 376 | 0 | 194.7 | 195.2 | 0.804 |