Table 1.

Mean mental age, chronological age, IQ, Pediatric Sleep Questionnaire (PSQ) scoring, auditory performance category (CAP), and receptive language (BVL) scoring in patients with and without an SHI, and the results of the non-parametric t-tests of the differences between the two subgroups.

HI	Patients without SHI (N = 8)	95% CI	Patients with SHI (N = 9)	95% CI	t	df	p-value	Eff. size (Cohen's d)
Mean hearing threshold (dB HL)	27.5	24.15–30.85	46.111	38.91–53.31	−5.429	11.1	<0.001	2,52
IQ	64.125	51.95–76.30	54.667	46.79–62.54	1.531	12.412	0.151	0,76
mental age (months)	39.125	33.66–44.59	34.889	30.04–39.74	1.356	14.626	0.196	0,66
chronological age (months)	67.875	47.49–88.26	72	50.72–93.28	−0.327	15	0.748	0,16
PSQ score	7	2.98–11.02	9.3	5.85–12.81	−1.026	14.498	0.322	0,50
CAP	5.375	3.59–7.16	2.667	1.73–3.61	3.157	10.883	0.009	1,58
BVL	58.25	35.64–80.86	36.222	23.85–48.59	2.009	11.133	0.069	1,01