[Retracted] Digital-Based Analysis of Speech Rehabilitation Data for Preschool-Age Exceptional Children

Table 4

Means and standard deviations of speech intelligibility ratings at different assessment points for exceptional children in different implantation age groups.

Group by implantation age		Preoperative SIR	First SIR	Second SIR	Third SIR	Fourth SIR	Fifth SIR	Sixth SIR	Seventh SIR
3-year-old group	Average value	1.05	1.16	1.84	2.49	2.84	3.46	3.88	4.29
		26	26	26	26	26	26	26	26
	Standard deviation	0.208	0.835	0.985	1.081	1.194	1.081	1.141	0.863
4-year-old group	Average value	1.38	1.51	2.02	2.58	2.84	3.41	3.65	3.91
		32	32	32	32	32	32	32	32
	Standard deviation	0.808	1.008	1.288	1.277	1.369	1.223	1.243	1.187
5-year-old group	Average value	1.59	1.66	2.78	3.26	3.84	4.09	4.26	4.43
		27	27	27	27	27	27	27	27
	Standard deviation	0.882	1.048	1.352	0.988	0.867	0.775	0.674	0.587
6-year-old group	Average value	1.83	2.35	3.37	3.44	3.74	3.74	4.00	4.38
		13	13	13	13	13	13	13	13
	Standard deviation	1.169	1.361	1.287	0.821	1.008	0.906	0.892	0.921
Total	Average value	1.42	1.56	2.33	2.85	3.24	3.68	3.90	4.17
		98	98	98	98	98	98	98	98
	Standard deviation	0.711	1.071	1.328	1.155	1.238	1.01	1.058	0.948