Table 3.

Primer bias, i.e., percentage of confident genera that would be missed by each of the six primers.

Primer	S1	S2	S3	S4	S5	S6	S7	S8	S9	S10
A	0%	36%	42%	11%	45%	39%	50%	32%	33%	30%
B	0%	54%	47%	44%	58%	50%	80%	55%	58%	26%
C	0%	7%	15%	11%	5%	0%	10%	2%	9%	13%
D	0%	39%	29%	33%	18%	44%	30%	21%	21%	30%
E	0%	75%	35%	44%	42%	56%	40%	47%	36%	52%
F	0%	21%	35%	56%	21%	17%	15%	21%	12%	26%
No. of genus	4	28	62	9	38	18	20	47	33	23

For real samples, the two least biased primers are shown in bold.