257 / 412
TABLE 1.
Stroboscopic Signs for Patients With Mild Dysplasia Before Treatment and After 12 Months of Follow-Up or Before
Retreatment
Stroboscopic Signs
Mild Dysplasia
Before Treatment (%)
After 12 Months (%)
Sig.
Glottic occlusion
0.791
Sufficient
38/53 (71.7)
40/53 (75.5)
Insufficient
15/53 (28.3)
13/53 (24.5)
Phase symmetry
0.000*
Symmetrical
6/53 (11.3)
36/53 (67.9)
Asymmetrical
47/53 (88.7)
17/53 (32.1)
Periodicity
0.000*
Regular
6/53 (11.3)
36/53 (67.9)
Irregular
47/53 (88.7)
17/53 (32.1)
Amplitude
0.000*
Normal
10/53 (18.9)
35/53 (66)
Decreased
25/53 (47.1)
14/53 (26.4)
Increased
18/53 (34)
4/53 (7.6)
Mucosal wave
0.000*
Normal with 30–50% lateral travel
13/53 (24.5)
35/53 (66)
Increased with lateral travel greater than 50%
32/53 (60.4)
17/53 (32.1)
Decreased with lateral travel less than 30%
8/53 (15.1)
1/53 (1.9)
Nonvibratory segment
1.000
Presence
8/53 (15.1)
9/53 (17.0)
Absence
45/53 (84.9)
44/53 (83.0)
Abbreviation:
Sig., statistical significance.
*
P
< 0.05.
TABLE 2.
Stroboscopic Signs for Patients With Moderate Dysplasia Before Treatment and After 12 Months of Follow-Up or Before
Retreatment
Stroboscopic Signs
Moderate Dysplasia
Before Treatment (%)
After 12 Months (%)
Sig.
Glottic occlusion
1.000
Sufficient
16/26 (61.5)
17/26 (65.4)
Insufficient
10/26 (38.5)
9/26 (34.6)
Phase symmetry
0.007*
Symmetrical
3/26 (11.6)
14/26 (53.8)
Asymmetrical
23/26 (88.4)
12/26 (46.2)
Periodicity
0.021*
Regular
4/26 (15.4)
14/26 (53.8)
Irregular
22/26 (84.6)
12/26 (46.2)
Amplitude
0.001*
Normal
3/26 (11.6)
14/33 (42.4)
Decreased
18/26 (69.2)
12/33 (57.6)
Increased
5/26 (19.2)
0/33 (0)
Mucosal wave
0.029*
Normal with 30–50% lateral travel
6/26 (23.1)
14/33 (42.4)
Increased with lateral travel greater than 50%
18/26 (69.2)
11/33 (54.6)
Decreased with lateral travel less than 30%
2/26 (7.7)
1/33 (3)
Nonvibratory segment
0.344
Presence
10/26 (38.5)
6/26 (23.1)
Absence
16/26 (61.5)
20/26 (76.9)
Abbreviation:
Sig., statistical significance.
*
P
< 0.05.
Journal of Voice, Vol. 28, No. 2, 2014
32