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Table 1 Calculated sensitivity and specificity

From: Characteristic odour in the blood reveals ovarian carcinoma

Dog indication

Cancer

Control

Sample

positive

a

b

a + b

Negative

c

d

c + d

 

a + c

b + d

n

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

ISSN: 1471-2407

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