Table IV–
Comparison Between Groups of Diagnoses
| Parameter | Vocal Fold Paresis (N=8) | Vocal Fold Paralysis (N=l 4) | Vocal Fold Atrophy (N=3) | P-value |
|---|---|---|---|---|
| Mean Δ (SD) | Mean Δ (SD) | Mean Δ (SD) | ||
| Airflow measures (N=25) | ||||
| PEFR (L/s) | 0.17 (1.00) | −0.17 (0.49) | 2.18 (2.54) | 0.41 |
| PEP (mmHg) | 0.27 (1.17) | −0.13 (0.49) | 0.73 (1.81) | 0.78 |
| CPD (s) | 0.02 (0.15) | 0.01 (0.19) | −0.03 (0.10) | 0.97 |
| PEFRT (s) | −0.01 (0.04) | −0.05 (0.06) | −0.03 (0.10) | 0.38 |
| CVA (L/s2) | 5.09 (50.1) | 14.0 (21.2) | 30.3 (37.9) | 0.76 |
| EAT-10 | 0 (6.35) | −3.86 (8.17) | −3.12 (7.78) | 0.37 |
| Energy (J/m^2) | 3.20 (5.15) | 0.84 (5.38) | −4.24 (5.15) | 0.11 |
| Rise Time (s) | −0.04 (0.09) | −0.01 (0.05) | −0.01 (0.01) | 0.74 |
| Duration (s) | 0.01 (0.06) | −0.03 (0.10) | −0.01 (0.05) | 0.70 |
| Peak Power Density (dB FS) | 3.72 (5.93) | 0.95 (6.53) | −3.40 (2.89) | 0.25 |
| Inband Power (dB FS) | 3.01 (4.97) | 1.43 (5.60) | −4.50 (0.73) | 0.11 |
| Peak Frequency (Hz) | 78.1 (157) | −38.5 (208) | −20.8 (831) | 0.19 |
| 50% Bandwidth (Hz) | −380 (695) | 248 (1070) | −10.4 (657) | 0.37 |
| 90 % Bandwidth (Hz) | −224 (1900) | 476 (2330) | 229 (547) | 0.76 |
| Sound Pressure Level (dB) † | 2.89 | −6.13 | 0.19 | |
| VE Phase Ratio | 0.18 (0.53) | −0.04 (0.26) | −0.73 (1.32) | 0.70 |
†
The The SPL parameter is logarithmic, so a median is reported instead of the mean and standard deviation