Unilateral hearing loss (UHL) Asymmetrical hearing loss-type 1 (AHL1) Asymmetrical hearing loss-type 2 (AHL2)
Number of patients 48 26 28
Age (years) 56 ± 15 68 ± 9 70 ± 10
Gender (men : women) 15 : 33 10 : 16 12 : 16
PTA4 of aided (worse) ear (dB HL)
57 ± 7
62 ± 6
83 ± 12
PTA4 of unaided (better) ear (dB HL)
19 ± 8
40 ± 6
44 ± 9
Interaural threshold difference of PTA4 (dB HL) 38 ± 11 22 ± 6 39 ± 15
WRS of aided (worse) ear (%) 67 ± 27 67 ± 20 33 ± 15
Type of hearing loss (sensorineural : mixed) 39 : 9 17 : 9 17 : 11
Hearing-aid type (CIC : ITC : RIC : BTE)
37 : 0 : 11 : 0
22 : 1 : 3 : 0
22 : 0 : 2 : 4
Outcome of hearing-aid use (successful : intermittent : failed users)
24 : 10 : 14
11 : 8 : 7
9 : 7 : 12