Table 1. Performance of silica adsorption and oligonucleotide capture methods with different size pools of S. ochraceum.

Pool size	Sample	Silica Positive	Mean Silica ELISA OD (range)*	Capture positive	Mean Capture ELISA OD (range)*
50	Heads	100% (3/3)	0.286 (0.142–0.476)	100% (3/3)	0.647 (0.637–0.667)
100	Heads	0% (0/3)	0.088 (0.071–0.098)	100% (3/3)	0.662 (0.659–0.667)
150	Heads	0% (0/3)	0.082 (0.076–0.094)	100% (3/3)	0.638 (0.630–0.645)
200	Heads	0% (0/3)	0.080 (0.078–0.081)	100% (3/3)	0.603 (0.600–0.608)
50	Bodies	100% (3/3)	0.119 (0.104–0.134)	100% (3/3)	0.113 (0.110–0.119)
100	Bodies	100% (3/3)	0.116 (0.104–0.127)	100% (3/3)	0.192 (0.190–0.193)
150	Bodies	100% (3/3)	0.120 (0.104–0.149)	100% (3/3)	0.261 (0.260–0.262)
200	Bodies	0% (0/3)	0.071 (0.062–0.081)	100% (3/3)	0.231 (0.230–0.232)

*: mean of positive control wells = 0.431 (range 0.369–0.492).