Table 9.

Percentiles for the brief assessment tool for each normative group.

Percentile	Education 0–8 years				Education 8 + years
	CDT	FABadj	TMT-A	TMT-B	CDT	FABadj	TMT-A	TMT-B
19–37 years old (n = 56)
95	20	12	33	72	20	12	22	53
90	20	12	33	72	20	12	26	62
75	19	12	34	75	20	12	32	73
50	19	10	39	94	19	11	50	102
25	17	8	52	124	16	10	58	128
10	10	6	67	143	12	9	63	177
5	9	6	67	143	9	8	69	195
38–47 years old (n = 63)
95	20	12	30	81	20	12	27	54
90	20	12	33	90	20	12	30	59
75	19	11	43	109	20	12	37	81
50	18	9	55	135	19	11	45	121
25	18	7	69	183	18	9	57	146
10	12	3	87	248	14	7	80	216
5	6	2	107	294	13	5	87	318
48–55 years old (n = 62)
95	20	11	39	65	20	11	33	73
90	20	11	42	93	20	11	37	79
75	19	11	49	114	20	11	48	107
50	18	9	62	149	19	8	58	129
25	16	8	79	199	17	6	64	168
10	13	5	93	251	14	5	85	194
5	10	2	109	274	12	4	85	194
56–74 years old (n = 53)
95	20	12	36	95	–	–	–	–
90	20	11	45	104	–	–	–	–
75	19	10	58	116	–	–	–	–
50	18	9	79	168	–	–	–	–
25	16	7	104	220	–	–	–	–
10	12	3	143	311	–	–	–	–
5	7	3	197	370	–	–	–	–