Overall (N= 48)
Age at implantation (y)
Median [Min, Max]	67.0 [26.0, 88.0]
Gender
Male	30 (62.5%)
Female	18 (37.5%)
Implanted side
Right	27 (56.3%)
Left	21 (43.8%)
Duration of hearing aid use before CI (y)
Median [Min, Max]	18.8 [0, 57.0]
Preoperative tinnitus (Y/N)
Yes	31 (64.6%)
No	17 (35.4%)
Pure-tone average on implanted ear (dB HL)
Mean ± SD	89.8 ± 15.7
Pure-tone average on non-implanted ear (dB HL)
Mean ± SD	79.8 ± 16.6
Speech reception score on implanted ear (%)
Mean ± SD	23.8 ± 20.9
Speech reception score on non-implanted ear (%)
Mean ± SD	42.1 ± 28.0
Hearing loss degree in implanted ear
Moderate (41-55 dB)	0 (0%)
Moderate to Severe (56-70 dB)	5 (10.4%)
Severe (71-90 dB)	22 (45.8%)
Profound (>91 dB)	21 (43.8%)
Hearing loss degree in non-implanted ear
Moderate (41-55 dB)	4 (8.3%)
Moderate to Severe (56-70 dB)	9 (18.8%)
Severe (71-90 dB)	26 (54.2%)
Profound (>91 dB)	9 (18.8%)