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Table 2 Mean differences in CDT and MMSE scores based on driving status

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

Variable N Mean SD t df
MMSE Score      
   Currently or Recently Driving 114 24.32 4.87 6.41** 305
   Not Currently driving 193 19.98 6.18   
Shulman Score      
   Currently or Recently Driving 61 3.39 1.28 -3.94** 157
   Not Currently driving 98 4.16 1.15   
Wolf-Klein Score      
   Currently or Recently Driving 61 7.26 1.83 3.29** 157
   Not Currently driving 98 6.18 2.13   
Sunderland Score      
   Currently or Recently Driving 61 7.18 2.28 3.28** 157
   Not Currently driving 98 5.89 2.49   
  1. Note. **p < .01.