Table 1

Calculated sensitivity and specificity


Dog indication

Cancer

Control

Sample


positive

a

b

a + b


Negative

c

d

c + d


a + c

b + d

n


Sensitivity = a/(a + c), and specificity = d/(b + d).

Horvath et al. BMC Cancer 2010 10:643   doi:10.1186/1471-2407-10-643

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