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Table 1 Demographic and clinical characteristics according to cognition status based on the CDT and RCFT-copy

From: Use of the Clock Drawing Test and the Rey–Osterrieth Complex Figure Test-copy with convolutional neural networks to predict cognitive impairment

   NC MI SI Total
CDT No. of participants 454 (60.8%) 179 (24.0%) 114 (15.3%) 747
Age (years ± SD) 69.1 ± 7.6 70.5 ± 7.7 72.8 ± 7.5  
Education (years ± SD) 11.6 ± 3.2 11.2 ± 3.9 10.5 ± 4.2  
MMSE 26.0 ± 3.1 24.4 ± 2.3 21.9 ± 2.9  
RCFT-copy No. of participants 411 (41.9%) 367 (37.4%) 202 (20.6%) 980
Age (years ± SD) 70.2 ± 7.8 70.2 ± 7.2 72.7 ± 6.1  
Education (years ± SD) 11.9 ± 3.5 11.2 ± 3.7 10.5 ± 3.4  
MMSE 26.2 ± 3.2 24.5 ± 2.4 21.7 ± 2.8  
  1. CDT, clock drawing test; RCFT, Rey–Osterrieth Complex Figure Test; NC, normal cognition; MI, mild impairment of cognition; SI, severe impairment of cognition