Table 3.

Comparison of Age 2 and Age 3 with Age 19 NVIQ Intellectual Disability Categories

		Age 19 NVIQ (%)
		Avg.	Border.	Mild	Mod.	Sev.	Pro.	Total
Age 2	Average	47	24	12	0	12	6	20
	Borderline	42	12	15	4	19	8	31
	Mild	10	10	15	15	25	25	24
	Moderate	0	0	0	19	38	44	19
	Severe	0	0	0	0	0	100	5
	Profound	0	0	0	0	0	100	1
Total		25	11	11	8	21	24	100
Age 3	Average	86	7	0	0	7	0	17
	Borderline	33	19	24	5	19	0	25
	Mild	8	12	15	12	27	27	31
	Moderate	0	7	0	14	36	43	17
	Severe	0	0	0	13	13	75	10
	Profound	0	0	0	0	0	100	1
Total		25	11	11	8	21	24	100

Note: Categories correspond to DSM-IV-TR. Average: ≥85, Borderline: 70–84, Mild: 50–69, Moderate: 35–49, Severe: 20–34, Profound: <20.