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. Author manuscript; available in PMC: 2022 Jan 8.
Published in final edited form as: Stat Med. 2021 Apr 28;40(17):3865–3880. doi: 10.1002/sim.9003

TABLE 2.

Estimated validation sample size, N, number of validation tests, TV, and necessary population size to see a benefit from group testing, N*, for a COVID – 19 screening program based on prevalence values of 0.05, 0.1, and 0.25

Se(k) = 1 − 0.02(k − 1)
 fH(d = 0.1)
Prevalence N TV N* N TV N*
0.05 31 679 92 789 147 238 13 710 40 158 1 307 444
0.1 17 500 51 259 100 771 8 906 26 090 1 077 732
0.25 1640 4806 31 494 10 781 31 582 4 754 298

Note: Values are calculated separately for two underlying sensitivity functions: Se(k) = 1 − 0.02(k − 1) and fH(d = 0.1).