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Table 2 Descriptive scores of Bristol and Blessed scales and mean values of CDR score

From: Validation of a functional screening instrument for dementia in an elderly sri lankan population: comparison of modified bristol and blessed activities of daily living scales

  Non Demented Mild Dementia Mod -Sev Dementia
  n = 39 n = 17 n = 14
Bristol scores    
Mean (Std.Err) 4.46 (0.55) 10.59 (0.9) 22 (2.23)
Median (range) 4 (0-16) 10 (3-17) 21.5 (12-42)
Blessed scores    
Mean (Std.Err) 1.85 (0.27) 4.38 (0.56) 11.5 (0.97)
Median (range) 1.5 (0-6) 5 (1-9) 11 (5.5-19)
CDR scores    
Mean - 1 2.28