Table 1.

Demographical, clinical, and neuropsychological characteristics of the patients with SNHL and healthy controls.

	SNHL patients	Healthy controls	P-value
	(n = 38)	(n = 37)
Age (years)a	54.11 ± 9.25	52.51 ± 9.25	0.552
Gender (male)b	23(60.5%)	18(48.7%)	0.302
Education (years)c	11.37 ± 3.29	12.03 ± 3.36	0.394
Handedness (right)	38(100%)	37(100%)
PTA of right ear (dB HL)c	43.27 ± 19.29	19.15 ± 4.14	<0.001**
PTA of left ear (dB HL)c	48.23 ± 22.59	19.19 ± 5.27	<0.001**
Mean PTA of both ears (dB HL)c	45.75 ± 18.37	19.17 ± 4.40	<0.001**
HAMDc	6.08 ± 3.88	3.81± 2.17	0.011*
SASc	31.45 ± 7.76	28.19 ± 5.84	0.043*

All the data were presented as mean ± standard deviation for continuous variables, and as percentages for categorical variables.

^*P < 0.05,

^**P < 0.001;

PTA, pure tone audiometry from 0.5, 1, 2, and 4 kHz; dB HL, decibel hearing level; HAMD, Hamilton Depression Rating Scale; SAS, Self-Rating Anxiety Scale.

^atwo sample t-test;

^bchi-square test;

^cMann-Whitney U-test.