Table 3.

Sensitivity, specificity, and kappa statistic of immunochromatography test strips and PCR.

		Culture		Total
		Positive	Negative
RP-L7/L12 ICS test	Positive	35	17	52
	Negative	0	194	194
Total		35	211	246
Sensitivity (%): 100 (91.3–100)
Specificity (%): 91.9 (90.5–91.9)
Kappa statistic (95% Cl): 0.77 (0.66–0.87)
PCR	Positive	35	17	52
	Negative	0	194	194
Total		35	211	246
Sensitivity (%): 100 (91.3–100)
Specificity (%): 91.9 (90.5–91.9)
Kappa statistic (95% Cl): 0.77 (0.66–0.87)