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Table 2 ROC analyses of DRS total and subscale scores for discriminate MCI from NC, MCI from mild AD and mild AD from moderate AD

From: Performance of Mattis dementia rating scale-Chinese version in patients with mild cognitive impairment and Alzheimer’s disease

  NC vs. MCI   MCI vs. Mild AD   Mild AD vs. Moderate AD
AUC cut-off score Sensitivity (%) Specificity (%) AUC cut-off score Sensitivity (%) Specificity (%) AUC cut-off score Sensitivity (%) Specificity (%)  
DRS total score 0.708 131 65.3 67.6 0.924 120 84.5 85.0 0.846 103 79.7 78.4  
Attention 0.581 36 48.5 65.4 0.681 36 75.9 51.5 0.740 34 59.4 76.7  
Initiation/perseveration 0.545 30 38.9 72.1 0.845 29 87.1 67.7 0.756 16 50.0 87.9  
Construction 0.565 5 20.4 92.6 0.605 5 39.7 79.6 0.720 4 56.2 79.3  
Conceptualization 0.639 36 80.8 44.1 0.696 32 53.4 83.8 0.670 32 78.1 46.6  
Memory 0.7434 22 68.3 72.8 0.885 19 87.1 77.2 0.823 13 84.4 72.4  
  1. Notes: AD Alzheimer’s disease, DRS Mattis Dementia Rating Scale, MCI mild cognitive impairment, NC normal controls