Table 3:

Subdomain Weighted Mean Unilateral vs. Bilateral

Variable	Unilateral CI	Bilateral CI	Difference	p-value
SSQ Total	48.12±17.48	60.20±16.78	12.08±17.18	<0.0001*
Speech	48.04±19.89	55.36±18.65	7.32±19.37	0.0021*
Spatial	39.08±19.79	58.68±20.25	19.60±19.99	<0.0001*
Qualities	56.51±18.82	66.13±16.06	9.62±17.81	<0.0001*
NCIQ Total	65.77±12.90	71.59±13.18	5.82±13.02	0.0001*
Basic sound perception	61.20±16.33	68.64±16.91	7.45±16.54	0.0046*
Advanced sound perception	73.02±16.00	68.94±17.38	-4.08±16.50	0.1166
Speech production	62.62±17.71	75.15±14.78	12.53±16.73	<0.0001*
Self-esteem	60.83±16.73	65.29±14.84	4.46±16.09	0.0794
Activity limitations	70.49±18.72	73.78±17.59	3.29±18.33	0.2547
Social interactions	64.06±13.25	66.29±11.75	2.23±12.74	0.2670

SSQ indicates the Speech, Spatial, and Qualities of Hearing Questionnaire; NCIQ, Nijmegan Cochlear Implant Questionnaire; BSP, Basic Sound Perception; ASP, Advanced Sound Perception; SP, Speech Production; SE, Self-Esteem; AL, Activity Limitations; SI, Social Interactions