Table 4. Sensitivity and Specificity of Typhidot in studies where no information in indeterminate results was available.

	TP	FP	FN	TN	Sensitivity (95%CI)	Specificity (95%CI)
Typhidot with control group category 1 *
Gopalakrishnan, 2002	41	12	9	32	0.82 (0.69–0.91)	0.73 (0.57–0.85)
Typhidot with control group category 2 *
Gopalakrishnan, 2002	41	18	9	32	0.82 (0.69–0.91)	0.64 (0.49–0.77)
Jesudason, 2002	30	6	0	24	1.00 (0.88–1.00)	0.80 (0.61–0.92)
Typhidot with control group category 3 *
Jesudason, 2006	36	6	3	506	0.92 (0.79–0.98)	0.99 (0.97–1.00)

*category 1 – samples with known etiology other than S.Typhi; category 2 – samples with unknown etiology (blood culture negative); category 3 – a combination of category 1 and 2.