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Table 2 Sensitivity, specificity, accuracy, positive likelihood ratio and negative likelihood ratio of the four studied methods. The combination of ELISA and PCR was used as reference method

From: Rapid on-site diagnosis of canine giardiosis: time versus performance

Method

Accuracy (%)

Sn (%)

Sp (%)

LR+

LR−

SpeedTM Giardia

92.0

86.2

100.0

Infinity

0.1

Microscopy

76.0

58.6

100.0

Infinity

0.4

ELISA

93.0

100.0

83.3

6.0

0.00

PCR

86.0

100.0

66.7

3.0

0.00

  1. Abbreviations: Sn, sensitivity; Sp, specificity; LR+, positive likelihood ratio; LR−, negative likelihood ratio