Nonsurgical Treatment for Vocal Fold Leukoplakia: An Analysis of 178 Cases

Table 4

Relationship between clinical response and clinical characteristics.

	CR	PR	NR	PD	Total
Clinical type
Smooth	121	6	34	8	169	0.005
Rough	0	0	8	1	9
Gender
Male	115	6	41	9	171	0.581
Female	6	0	1	0	7
Age
<60	111	5	33	7	156	0.347
≥60	10	1	9	2	22
Smoking
Yes	94	6	35	8	143	0.396
No	27	0	7	1	35
Alcohol consumption
Yes	56	3	12	4	74	0.447
No	65	3	30	5	104
Laryngopharyngeal reflux
Yes	27	1	5	1	33	0.147
No	94	5	37	8	145
Voice abuse
Yes	105	6	37	8	155	0.535
No	16	0	5	1	23
Site of lesions
Unilateral vocal cord	43	3	19	6	71	0.187
Bilateral vocal cords	78	3	23	3	107

CR, complete response; PR, partial response; NR, no response; PD, progressive disease.