Table 1.

Probability of a positive result being a false positive and the compression $k/n$ compared to individual testing for pool size $n=31$, incidence $\rho ⩽0.01$ and different multiplicities k.

k	${∊}_{\mathrm{fp}}$	$k/n$
4	$0.32$	$0.129$
5	$0.11$	$0.161$
6	$0.03$	$0.194$
7	$0.008$	$0.226$