Table 2 The impact of omitting outliers from mean post-treatment faecal egg counts on the efficacy of drug treatment
From: Control of Nematodirus spp. infection by sheep flock owners in Northern Ireland
Flock code | AnthelminticGroup | Unadjusted | Corrected | ||
|---|---|---|---|---|---|
Mean ± S.E.M. | Efficacy (%) (C.I.) | Mean ± S.E.M. | Efficacy (%) (C.I.) | ||
1 | AVM | 5.3 ± 5.3 | 94 (48, 99) | 0 ± 0 | 100 (100,100) |
3 | BZ | 6.7 ± 4.9 | 98 (90, 99) | 0 ± 0 | 100 (100,100) |
10 | BZ | 30.3 ± 30.3 | 90 (11, 99) | 0 ± 0 | 100 (100,100) |