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Table 3

Sensitivity (Se) and specificity (Sp) with 95% confidence intervals (CI%) of the techniques (OCTPre3: OCT Premium at 3 EPG cut-off, OCTPre50: OCT Premium at 50 EPG cut-off, MCM Lab A: McMaster performed at laboratory A, and MCM Lab B: McMaster performed at laboratory B, and PNA: peanut agglutinin lectin staining) for the detection of Nematodirus battus, Haemonchus contortus, and Trichostrongylidae, where n+ is the number of true positive and n- is the number of true negative samples.

Parasite Se and Sp Technique 
OCTPre3  OCTPre50  MCM Lab A  MCM Lab B PNA 
N. battus
n+ = 11 Se 91% (59–100) 00% (0–29) 18% (02–52) 18% (02–52) NA
n = 29 Sp 100% (88–100) 100% (88–100) 100% (88–100) 100% (88–100) NA
H. contortus
n+ = 31 Se 93.5% (79–99) 54.8% (36–73) 06.5% (00–21) N/A 100% (89–100
n = 9 Sp 77.8% (40–97) 100% (66–100) 100% (66–100) N/A 100% (66–100)
Trichostrongylidae
n+ = 40 Se  100% (91–100) 100% (88–100) 89% (72–98) 93% (76–99) NA
n = 0 

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