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. 2009 Jan 20;9:4. doi: 10.1186/1471-2288-9-4

Table 3.

True disease status and Test 1 results.

		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)

Test 1 is + if the score on Test 1 is greater than x.