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Table 3 Accuracy (A z , area under ROC curve) and bias (c 1 , c 2 and c 3 )

From: A randomised controlled trial to test the effectiveness of decision training on assessors’ ability to determine optimal fitness-to-drive recommendations for older or disabled drivers

 

Pre- training

Post-training

Control

Intervention

Control

Intervention

mean

SD

mean

SD

mean

SD

mean

SD

A z

0.78

0.08

0.77

0.07

0.80

0.10

0.81

0.13

c 1

1.28

0.50

1.30

0.50

1.34

0.57

0.84

0.86

c 2

−0.21

0.65

−0.21

0.73

−0.05

0.78

−0.52

0.96

c 3

−1.19

0.48

−1.10

0.50

−1.1

0.56

−1.20

0.67