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Table 3 True disease status and Test 1 results.

From: Bias in trials comparing paired continuous tests can cause researchers to choose the wrong screening modality

  

True Disease Status

  

+

-

Test 1

+

r [1 - Φ (x - μ C1)]

(1 - r) [1 - Φ (x - μ N1)]

 

-

r Φ (x - μ C1)]

(1 - r) Φ (x - μ N1)

  1. Test 1 is + if the score on Test 1 is greater than x.
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BMC Medical Research Methodology

ISSN: 1471-2288

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