Table 4.
Intrarater agreement was calculated as percentage of agreement within ± ½ the range of one level of the scale (e.g., ratings of mucosal wave must have been within 15 percentage points [pp] of each other [the range of one level of the scale] to be considered in agreement).
| Vibratory feature | Range | Rater | VS |
SS |
||
|---|---|---|---|---|---|---|
| n agree | % agree | n agree | % agree | |||
| Left mucosal wave | 15 pp | Rater 1 | 3/4 | 75 | 8/8 | 100 |
| Rater 2 | 6/6 | 100 | 8/8 | 100 | ||
| Right mucosal wave | 15 pp | Rater 1 | 2/4 | 50 | 7/8 | 88 |
| Rater 2 | 5/6 | 83 | 8/8 | 100 | ||
| Left amplitude | 15 pp | Rater 1 | 6/6 | 100 | 8/8 | 100 |
| Rater 2 | 7/7 | 100 | 8/8 | 100 | ||
| Right amplitude | 15 pp | Rater 1 | 4/4 | 100 | 8/8 | 100 |
| Rater 2 | 8/8 | 100 | 8/8 | 100 | ||
| Left-Right phase asymmetry | 33 pts | Rater 1 | 2/3 | 67 | 8/8 | 100 |
| Rater 2 | 3/3 | 100 | 8/8 | 100 | ||
| Left vocal fold edge | 33 pts | Rater 1 | 7/7 | 100 | 8/8 | 100 |
| Rater 2 | 7/7 | 100 | 8/8 | 100 | ||
| Right vocal fold edge | 33 pts | Rater 1 | 7/7 | 100 | 8/8 | 100 |
| Rater 2 | 7/7 | 100 | 8/8 | 100 | ||
Note. VS = videostroboscopy; SS = simulated stroboscopy.