Figure 7.

Detectable differences in prevalences between screening rounds 1 and 2. Power levels are noted on lines, and 4%, 5%, and 6% prevalence rates in screening round 1 (p0) are presented as a function of the participation rate (sample fraction): A, simulations for Amsterdam, overall and B, comparison of blocks A and C.

van den Broek et al. BMC Infectious Diseases 2010 10:89   doi:10.1186/1471-2334-10-89
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