BioMed Research International / 2016 / Article / Tab 2

Research Article

A Rapid In-Clinic Test Detects Acute Leptospirosis in Dogs with High Sensitivity and Specificity

Table 2

MAT versus WITNESS Lepto: 2 × 2 table of weighted and unweighted results used for the calculation of sensitivity and specificity.
(a) Unweighted results

WITNESS Lepto⁢MAT positive ()⁢MAT negative ()

PositiveTP: 49 (positive group)FP: 10 (borderline group)
NegativeFN: 1 (positive group)TN: 25 (borderline group),
50 (negative group)

(b) Weighted data used to calculate Se and Sp

WITNESS Lepto ⁢MAT positive ()⁢MAT negative ()

PositiveTP: 33.075FP: 6.55
NegativeFN: 0.675TN: 94.45
Sensitivity: 98%Specificity: 93.5%

MAT: microscopic agglutination test; Se: sensitivity; Sp: specificity; TP: true positive; TN: true negative; FP: false positive; FN: false negative.

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