Table 3. Sensitivity, specificity, and accuracy of diagnostic tools with direct smears.

N: Negative, P: Positive, TP: True-positive, FP: False-negative, TN: True-negative, FN: False-negative, PPV: Positive predictive value, NPV: Negative predictive value

ImmunoCard STAT!: Meridian Bioscience, Germany; CerTest: Biotec, Zaragoza, Spain

Test		Direct smears		Sensitivity %	Specificity %	PPV %	NPV %	95% CI	P value
		P	N
Immuno Card STAT! CGE	P	TP21	FP10	(91.3)	(87.01)	(67.74)	(97.10)	(0.81-0.98)	P < 0.001
	N	FN2	TN67
CerTest	P	TP17	FP2	(73.91)	(97.40)	(89.47)	(92.59)	(0.75-0.97)	P < 0.001
	N	FN6	TN75
Ritchie	P	TP17	FP0	(73.91)	(100)	(100)	(92.77)	(0.76-0.98)	P < 0.001
	N	FN6	TN77
Real-time PCR	P	TP22	FP20	(95.65)	(74.03)	(52.38)	(98.28)	(0.77-0.93)	P < 0.001
	N	FN1	TN57