Table 2.
Average (avg) and standard deviation (std) of the 7 “shape” parameters for data subsets organized by swallow, observer and group.
| Width (ms) |
Width50 (ms) |
Width90 (ms) |
Height (mV) |
PeakArea (mV.ms) |
SlopeRise (mV/ms) |
SlopeFall (mV/ms) |
||
|---|---|---|---|---|---|---|---|---|
| Swallow 1 | Avg | 521 | 203 | 48 | 18.4 | 4994 | 0.24 | −0.21 |
| Std | 299 | 155 | 29 | 30.1 | 9015 | 0.33 | 0.32 | |
| Swallow 2 | Avg | 612 | 214 | 52 | 16.1 | 4610 | 0.24 | −0.21 |
| Std | 473 | 164 | 32 | 24.2 | 7330 | 0.35 | 0.27 | |
| Swallow 3 | Avg | 584 | 205 | 45 | 16.0 | 4508 | 0.23 | −0.19 |
| Std | 395 | 148 | 24 | 27.7 | 7373 | 0.36 | 0.24 | |
|
| ||||||||
| Observer 1 | Avg | 452 | 183 | 45 | 15.9 | 3984 | 0.23 | −0.19 |
| Std | 258 | 135 | 27 | 27.0 | 7108 | 0.35 | 0.27 | |
| Observer 2 | Avg | 693 | 232 | 52 | 17.7 | 5424 | 0.24 | −0.21 |
| Std | 467 | 170 | 30 | 27.8 | 8609 | 0.35 | 0.28 | |
|
| ||||||||
| Group 1 | Avg | 566 | 224 | 57 | 24.2 | 6108 | 0.32 | −0.28 |
| Std | 292 | 138 | 31 | 32.7 | 7965 | 0.43 | 0.35 | |
| Group 2 | Avg | 578 | 192 | 40 | 9.7 | 3356 | 0.15 | −0.13 |
| Std | 475 | 169 | 24 | 18.4 | 7649 | 0.21 | 0.15 | |
*
The data is presented in mV as the dimension for signal amplitude and the transformed measure of Signal Height in dB = 20 log10(Vp/Vb), where Vp is peak voltage and Vb is the baseline/background voltage.