Table 2.

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	${∊}_{\mathrm{fp}}$	$k/n$
3	$0.17$	$0.049$
4	$0.012$	$0.066$
5	$0.0007$	$0.082$