Subjects Score class
Actual age-class 1 2 3 4 5 6 7 Total
4   1 4 6 3     14
5     1 12 8 1 1 23
6   1 2 15 14 7 1 40
7     6 11 19 15 3 54
8     1 4 5 4 2 16
Total   2 14 48 49 27 7 147
Table 4: Distribution of subjects aged over 50 according to the score class: Observer 1. (Gray box = poorly classified).
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