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Table 4 Number of matches between ORS and SRS, including the raters’ confidence in their ratings

From: Video-based observer rated sleepiness versus self-reported subjective sleepiness in real road driving

Video pair

Match

Confidence (%)

1

9 of 10 (90 %)

51 ± 26

2

0 of 10 (0 %)

40 ± 24

3

5 of 10 (50 %)

42 ± 15

4

0 of 10 (0 %)

33 ± 20