Table 1.

Approximate Number of Tests Saved Per 100 Samples for Various Combination of Pooling Factors and Percent Positives.

Tests saved per 100 samples		Percent positives
		1%	2%	3%	4%	5%	6%	7%	8%	9%	10%	15%	20%	30%
Pooling factor	2	48.0	46.0	44.0	42.0	40.0	38.0	36.0	34.0	32.0	30.0	20.0	10.0	0.0
	3	63.7	60.7	57.7	54.7	51.7	48.7	45.7	42.7	39.7	36.7	21.7	6.7	0.0
	4	71.0	67.0	63.0	59.0	55.0	51.0	47.0	43.0	39.0	35.0	15.0	0.0	0.0
	5	75.0	70.0	65.0	60.0	55.0	50.0	45.0	40.0	35.0	30.0	5.0	0.0	0.0
	6	77.3	71.3	65.3	59.3	53.3	47.3	41.3	35.3	29.3	23.3	0.0	0.0	0.0
	7	78.7	71.7	64.7	57.7	50.7	43.7	36.7	29.7	22.7	15.7	0.0	0.0	0.0
	8	79.5	71.5	63.5	55.5	47.5	39.5	31.5	23.5	15.5	7.5	0.0	0.0	0.0
	9	79.9	70.9	61.9	52.9	43.9	34.9	25.9	16.9	7.9	0.0	0.0	0.0	0.0
	10	80.0	70.0	60.0	50.0	40.0	30.0	20.0	10.0	0.0	0.0	0.0	0.0	0.0