Table 5. Ratio of completing TMT and TMT-B&W.

		Ratio of completion (%)
Education	Group	TMT	TMT-B&W
≥6	NC	76	96
	MCI	60	87
	AD	36	60
<6	NC	0	67
	MCI	0	59
	AD	0	4

Abbreviations; NC, Normal Controls; MCI, Mild Cognitive Impairment; AD, Alzheimer’s disease; TMT, Trail Making Test; TMT-B&W, Trail Making Test Black&White.