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Table 1 Descriptive statistics for overall sample scores on cognitive measures

From: Validity of the Clock Drawing Test in predicting reports of driving problems in the elderly

Test N Mean SD Range
MMSE 311 21.51 6.15 0–30
CDT (Shulman Score) 162 3.87 1.25 1–6
CDT (Wolf-Klein Score) 162 6.58 2.10 1–10
CDT (Sunderland Score) 162 6.35 2.49 1–10