Trail Making Test Used by Chinese Elderly Patients with Mild Cognitive Impairment and Mild Alzheimer' Dementia

Objective: To investigate the applicability of Trail making test-Chinese version in Chinese elderly patients with mild cognitive impairment(MCI) and Alzheimer's dementia(AD).Methods: 94 normal elders,107 amnestic MCI patients and 54 patients with mild AD accepted 8 neuropsychological tests including TMT,mini-mental state examination(MMSE),etc.Results: More persons completed the whole test in normal elderly group and patients with MCI than in patients with mild AD.Age and education level have more influence on TMT-B than TMT-A.Significant relationships are found between TMT-A/B and MMSE,CFT,CWCR,and AVLT.We found significant difference among 3 groups in time for completion of TMT and the interference index.Conclution: The modified TMT is applicable for the Chinese population.It can help idenfify patients with MCI and mild AD.