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Table 4 Probability to detect zero case of AS depending on the sensitivity of the test (in column) and the number of tests (in row) for Estonia and Lithuania.

From: A descriptive study of the prevalence of atypical and classical scrapie in sheep in 20 European countries

  0.5 0.7 0.8 0.9 1
1933 (Estonia) 0.53 0.41 0.36 0.32 0.30
4092 (Lithuania) 0.26 0.15 0.12 0.09 0.07