Table 4. Egg recovery rate (ERR) comparison from triplicate absolute faecal egg counts of 100 seeded Ascaris spp., Trichuris spp. and N. americanus eggs.
| Parasite | 1.20 SpGr | 1.25 SpGr | 1.30 SpGr | 1. 35 SpGr | |||
|---|---|---|---|---|---|---|---|
| ERR mean % [95% CI] | p-value 1.20–1.25 | ERR mean % [95% CI] | p-value 1.25–1.30 | ERR mean % [95% CI] | p-value 1.30–1.35 | ERR mean % [95% CI] | |
| Ascaris | 77.6 [71.4; 83.9] | 0.409 | 80.3 [76.5; 84.1] | 0.025* | 86.3 [84.4; 88.2] | 0.145 | 90.3 [83.9; 96.7] |
| Trichuris | 6.50 [5.26; 7.74] | 0.047* | 21 [12.0; 29.9] | 0.006* | 69.2 [67.3; 71.1] | 0.088 | 74.1 [70.0; 78.1] |
| N. americanus | 70.1 [65.1; 75.1] | 0.007* | 79.2 [75.4; 83.1] | 0.285 | 81.8 [77.8; 85.8] | 0.003* | 67.7 [64.8; 70.5] |
*P<0.05
**P<0.002, ***P<0.001
α = 0.5 for every 0.5 SpGr increase from Tukey’s multiple comparison test from two-way ANOVA