Table 1.

Percent reduction (%) of workload for different extent of sample pooling (2–8 samples/pool) based on estimated infection rates (1–20%)

Estimated infection rate (%)	Number of samples per pool
	2	3	4	5	6	7	8
1	47.80	63.09	70.24	74.15	75.93	77.77	78.54
2	45.71	59.68	65.71	68.57	69.37	70.20	70.00
3	43.72	56.43	61.40	63.26	63.10	62.99	61.86
4	41.82	53.33	57.27	58.18	57.12	56.10	54.09
5	40.00	50.37	53.33	53.33	51.41	49.52	46.67
6	38.26	47.54	49.57	48.70	45.94	43.23	39.57
7	36.60	44.82	45.96	44.26	40.71	37.20	32.77
8	35.00	42.22	42.50	40.00	35.69	31.43	26.25
9	33.47	39.73	39.18	35.92	30.88	25.89	20.00
10	32.00	37.33	36.00	32.00	26.27	20.57	14.00
11	30.59	35.03	32.94	28.24	21.83	15.46	8.24
12	29.23	32.82	30.00	24.62	17.56	10.55	2.69
13	27.92	30.69	27.17	21.13	13.46	5.82	-2.64
14	26.67	28.64	24.44	17.78	9.51	1.27	-7.78
15	25.45	26.67	21.82	14.55	5.70	-3.12	-12.73
16	24.29	24.76	19.29	11.43	2.02	-7.35	-17.50
17	23.16	22.92	16.84	8.42	-1.52	-11.43	-22.11
18	22.07	21.15	14.48	5.52	-4.94	-15.37	-26.55
19	21.02	19.44	12.20	2.71	-8.25	-19.18	-30.85
20	20.00	17.78	10.00	0.00	-11.44	-22.86	-35.00