TABLE 3.

Summary of the normative data in Trail Making Test part A and B.

			Complete (%)	Completion times (seconds)						With error (%)
		n		Mean	SD	Median	Mode	Min	Max
TMT-A
Total		1,922	99.1	52.7	25.7	46	37	13	235	6.7
Gender	Male	771	99.4	52.6	24.9	46	45	17	216	7.2
	Female	1,151	98.9	52.7	26.2	46	35	13	235	6.4
Education (years)	>12	586	99.5	47.0	21.2	42	37	20	235	5.1
	≦12	1,270	99.0	54.7	26.6	47	35	13	229	7.2
MMSE-J (scores)	>23	1,610	100.0	48.8	21.4	44	35	13	235	6.0
	≦23	296	93.9	75.2	35.3	67	55	29	229	10.8
TMT-B
Total		1,917	82.6	137.4	53.4	126.5	107	39	298	48.2
Gender	Male	769	84.0	140.5	53.0	130	84	49	296	47.8
	Female	1,148	81.7	135.3	53.6	123	124	39	298	48.4
Education (years)	>12	584	89.6	126.5	50.9	115	79	49	297	42.8
	≦12	1,267	81.0	142.8	53.9	131	115	39	298	50.7
MMSE-J (scores)	>23	1,602	90.2	133.1	50.9	122	107	39	298	47.2
	≦23	299	41.8	188.3	56.0	183	152	73	297	60.0

MMSE-J, Japanese version of the mini-mental state examination; SD, standard deviation.