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Table 1 Comparison between SDSA Scores of older and young

From: Spatial navigation ability is associated with the assessment of smoothness of driving during changing lanes in older drivers

  Older (n = 32) Young(n = 20)
Mean SD Range Mean DS Range
Dot Cancellation Test Time(s) 544.12 175.53 288~864 434.33 73.32 173~598
Errors 17.9 11.32 1~39 14.9 8.2 0~10
FALSE 0.9 1.16 0~4 0.9 1.16 0~5
Square Directions 25.63 4.45 16~32 29.51 2.15 24~32
Matrices Compass 20.75 6.28 12~32 25.5 4.81 21~32
Road Sign Recognition Test   8.03 3.03 2~12 9.2 2.32 7~12
  1. Comparisons of the distributed value of RMSΔ3 in lane change. The older group took significantly larger of RMSΔ3 in lane change