Table 1.

Demographics of the presbycusis patients and healthy controls.

	Presbycusis patients (n = 40)	Healthy controls (n = 40)	p-value
Age (years)	61.35 ± 5.05	61.30 ± 3.89	0.961
Sex (male: female)	20/20	17/23	0.501
Education levels (years)	10.45 ± 1.84	10.58 ± 1.53	0.742
PTA of the left ear (dB HL)	32.27 ± 4.71	16.17 ± 2.98	<0.001*
PTA of the right ear (dB HL)	32.88 ± 6.58	16.02 ± 3.17	<0.001*
Mean PTA of both ears (dB HL)	32.32 ± 4.24	15.92 ± 2.58	<0.001*
Mean FD value (mm)	0.20 ± 0.06	0.19 ± 0.06	0.291
Max FD value (mm)	0.44 ± 0.05	0.42 ± 0.08	0.146

Data are represented as Mean ± SD. *P < 0.001. PTA, pure-tone audiometry; FD, framewise displacement.