TABLE 2.

Correlation between VFNs of different sizes or contours and clinical factors.

Characteristics	Vocal nodule size grade			F	P-value	Vocal nodule contour		F	P-value
	1	2	3			Sessile	Discrete
Age (month)	76	69	49	0.315	0.730	99	95	0.005	0.941
Duration of dysphonia (month)	76	69	49	1.281	0.280	99	95	5.366	0.022
Sex
Male	54	50	36	0.045	0.956	63	77	7.285	0.008
Female	22	19	13			36	18
Companion diseases
Allergic rhinitis
Yes	15	17	10	0.282	0.754	19	23	0.783	0.377
No	61	52	39			80	72
Chronic sinusitis
Yes	2	2	3	0.594	0.553	4	3	0.098	0.754
No	74	67	46			95	92
Laryngopharyngeal reflux
Yes	2	3	3	0.461	0.631	6	2	1.876	0.172
No	74	66	46			93	93

Data were statistical analysis by one-way ANOVA, p-value < 0.05 was considered significant.