TABLE 2.
PREOPERATIVE AND POSTOPERATIVE ACOUSTIC MEASURES OF CPM AND HNR AND HSV-BASED MEASURES OF AVERAGE SQ AND f0 DEVIATION
| Subject No. | CPM (dB)
|
HNR (dB)
|
Average SQ (%)
|
f0 Deviation (Hz)
|
||||
|---|---|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | Pre | Post | Pre | Post | |
| 1 | 23.3 | 24.8 | 19.6 | 16.7 | 149.4 | 132.5 | 2.43 | 4.91 |
| 2 | 22.4 | 21.2 | 19.7 | 21.5 | 188.1 | 90.4 | 2.60 | 5.51 |
| 3 | 20.2 | 20.5 | 20.2 | 19.3 | 133.7 | 71.4 | 5.59 | 5.47 |
| 4 | 22.0 | 20.3 | 20.4 | 18.3 | 93.3 | 59.2 | 4.97 | 5.85 |
| 5 | 18.8 | 22.3 | 16.8 | 20.4 | 60.6 | 197.1 | 5.21 | 4.13 |
| 6 | 24.7 | 21.9 | 22.6 | 17.7 | 121.0 | 126.0 | 4.06 | 5.10 |
| 7 | 21.6 | 26.6 | 18.9 | 18.1 | 96.1 | 133.4 | 4.85 | 3.22 |
| 8 | 28.3 | 23.4 | 17.7 | 17.8 | 190.3 | 100.5 | 4.38 | 2.68 |
| 9 | 22.2 | 24.4 | 23.7 | 29.9 | 160.1 | 80.1 | 4.07 | 4.60 |
| 10 | 27.4 | 24.4 | 18.0 | 17.3 | 129.0 | 196.3 | 5.34 | 4.03 |
| 11 | 13.5 | 25.7 | 19.5 | 17.9 | 73.6 | 114.5 | 6.50 | 2.50 |
| 12 | 15.0 | 19.7 | 15.0 | 25.4 | 160.0 | 167.8 | 5.80 | 4.53 |
| 13 | 22.6 | 18.5 | 20.9 | 23.7 | 143.2 | 90.2 | 3.21 | 5.42 |
| 14 | 17.7 | 22.0 | 15.0 | 19.2 | 52.6 | 101.5 | 2.91 | 1.46 |
| 15 | 13.9 | 20.6 | 9.9 | 17.3 | * | 92.6 | * | 2.76 |
| 16 | 17.8 | 24.2 | 15.3 | 18.1 | 146.7 | 135.2 | 6.65 | 2.66 |
| 17 | 19.8 | 22.7 | 17.6 | 23.9 | 126.8 | 100.4 | 5.62 | 3.02 |
| 18 | 25.3 | 22.2 | 18.6 | 18.8 | 244.4 | 121.1 | 3.05 | 5.71 |
| 19 | 18.3 | 24.6 | 19.5 | 24.7 | 88.3 | 119.3 | 11.12 | 9.35 |
| 20 | 20.8 | 22.3 | 19.7 | 21.1 | 103.1 | 107.1 | 9.02 | 8.26 |
CPM — cepstral peak magnitude; HNR — harmonics-to-noise ratio; HSV — high-speed videoendoscopy; SQ — speed quotient; f0 — fundamental frequency.
*
Preoperative HSV-based measures for subject 15 were not appli- cable because of period irregularities and biphonation.