Table 1.

Comparison of biographical and hearing characteristics of patients whose tinnitus was not eliminated, was eliminated, or was induced, or who did not have tinnitus pre- and postimplantation.

Characteristic	Not eliminated	Eliminated	Induced	No tinnitus
Years of profound hearing loss
N	54	80	7	65
M	9	10	6	13
SD	12	13	6	16
Age of implantation (years)
N	59	94	11	80
M	54	58	63	60
SD	14	16	11	17
Left residual hearing (PTA dB HL)
N	58	67	8	71
M	99	97	99	96
SD	15	20	15	17
Right residual hearing (PTA dB HL)
N	58	67	9	71
M	98	99	94	96
SD	16	17	14	17
Implanted ear (excluding bilaterals)
N	42	56	8	57
M	99	100	93	95
SD	15	17	16	16
Unimplanted ear (excluding bilaterals)
N	42	56	7	57
M	98	97	103	95
SD	16	20	10	19

Note. PTA db HL= pure-tone average of 500 Hz, 1000 Hz, and 2000 Hz in dB HL.