Table 1.

Diagnostic performances of the six detection dogs after validation.

Dog	Se* %	Sp* %	PPV* %	NPV* %	Youden %	Accuracy %	N Run*
Paxi	88	100	100	97	88	98	51
Cheos	81	99	95	95	80	95	61
Xhena	94	96	83	99	90	96	50
Tina	73	95	78	94	68	91	56
Lilly	76	100	100	94	76	95	63
Bailey	76	100	98	95	76	95	65
Total	81	98	92	95	79	95	58 ± 6

*Se, sensitivity; Sp, specificity; PPV, positive predictive value; NPV, negative predictive value; N, number.