Table 5.
Fundamental frequency (F0) and first and second formant frequencies (F1 and F2) and their standard-deviations, for normal and UFVP female participants.
| ♀ | UVFP | Normal | t or U | p value | ||
|---|---|---|---|---|---|---|
| N | Mean ± SD | N | Mean ± SD | |||
| F0 (Hz) | 13 | 218.38 ± 72.36 | 65 | 195.36 ± 33.02 | U = 394 | 0.335 |
| SD F0 (Hz) | 13 | 6.65 ± 12.28 | 65 | 2.62 ± 2.15 | U = 267 | 0.018 |
| F1 (Hz) | 13 | 826.16 ± 171.73 | 65 | 819.03 ± 164.75 | U = 421 | 0.495 |
| SD F1 (Hz) | 13 | 117.18 ± 99.91 | 65 | 71.28 ± 53.54 | U = 327 | 0.116 |
| F2 (Hz) | 13 | 1522.69 ± 96.00 | 65 | 1453.51 ± 139.20 | t = 1.58 | 0.059 |
| SD F2 (Hz) | 13 | 156.31 ± 146.20 | 65 | 62.26 ± 48.67 | U = 204 | 0.002 |
UVFP: Unilateral Vocal Fold Paralysis; N: number of cases; SD: standard deviation; t: t-test; U: Mann-Whitney U test; F0: fundamental frequency; SD F0: standard-deviation of the fundamental frequency; F1: first formant frequency; SD F1: standard-deviation of first formant frequency; F2: second formant frequency; SD F2: standard-deviation of second formant frequency.