TABLE I. The Expected Relative Cost of the Dorfman Two-Stage Algorithm With Group Size and the Lowest Expected Relative Cost of -Regular in [15]. The Numbers Given in Boldface are the Expected Relative Costs of Dorfman's Two-Stage Algorithm of the Smallest Values of That Outperform Those of the -Regular Pooling Matrices Under the Same Prevalence Rate .

	The Dorfman Two-stage Algorithm											-regular
												Lowest Cost
1%	11	0.1956	0.1865	0.1773	0.1681	0.1587	0.1493	0.1398	0.1302	0.1205	0.1108	0.1218
2%	8	0.2742	0.2620	0.2496	0.2371	0.2244	0.2116	0.1986	0.1854	0.1721	0.1586	0.1881
3%	6	0.3337	0.3207	0.3076	0.2943	0.2809	0.2673	0.2535	0.2395	0.2254	0.2111	0.2545
4%	6	0.3839	0.3675	0.3507	0.3337	0.3165	0.2989	0.2810	0.2629	0.2445	0.2257	0.3147
5%	5	0.4262	0.4098	0.3931	0.3762	0.3590	0.3415	0.3238	0.3057	0.2874	0.2689	0.3678
6%	5	0.4661	0.4472	0.4279	0.4082	0.3882	0.3678	0.3470	0.3259	0.3043	0.2824	0.4166
7%	5	0.5043	0.4831	0.4615	0.4393	0.4167	0.3935	0.3699	0.3457	0.3210	0.2958	0.4627
8%	4	0.5336	0.5148	0.4956	0.4761	0.4562	0.4360	0.4155	0.3947	0.3735	0.3519	0.5035
9%	4	0.5643	0.5437	0.5227	0.5014	0.4796	0.4574	0.4348	0.4117	0.3883	0.3643	0.5416
10%	4	0.5939	0.5718	0.5492	0.5261	0.5025	0.4784	0.4537	0.4286	0.4029	0.3767	0.5760