Table 2.

Group mean differences (percentage of words correct) in speech perception test results between the Remote Assistant Fitting (RAF) method, as fitted by a recipient, and the Custom Sound (CS) fitting method, as fitted by an experienced cochlear implant audiologist. The means of the differences and the 95% confidence intervals (CI) of the means of the differences are given.

	60 dB CNC words (Group A)	60 dB CNC words (Group B)	50 dB CNC words (Group B)	65 dB CUNY sentences (Group B)
	Mean	95% CI	Mean	95% CI	Mean	95% CI	Mean	95% CI
RAF – CS	3.3%	[− 1.3, 7.9]	1.4%	[− 3.2, 6.0]	1.1%	[− 6.2, 8.4]	1.9%	[− 6.4, 10.3]