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European Transport Research Review

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Table 6 The Sensitivity, Specificity, Positive Predictive Value, Negative Predictive Value and Correct Classification of the UFOV3 test

From: The use of neuropsychological tests to study the effects of aging on driving performance in the UK

 

Driver status (from Driving simulator)

Poor Driver (positive)

Not-poor Driver (Negative)

Test (Ufov3)

Test is positive (poor driver)

5

1

Test is negative (Not-poor driver)

3

47

Total

8

48

  1. Sensitivity = 5/(5 + 3) = 62.5%
  2. Specificity = 47/(1 + 47) = 97.92%
  3. Positive Predictive Value = 5/(5 + 1) = 83.33%
  4. Negative Predictive Value = 47/(3 + 47) = 94%
  5. Correct Classification = (5 + 47)/56 = 92.86%
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