Detection of SFTS virus RNA and antibodies in severe fever with thrombocytopenia syndrome surveillance cases in endemic areas of China

Table 3 Comparison of SFTSV RNA and IgM antibody detection

Days after onset	SFTSV RNA	SFTSV IgM		P value (McNemar test)	Kappa value
		Positive	Negative
		N (%)	N (%)
≤14 days	Positive	15(62.5)	9(37.5)	0.06	0.307
≤14 days	Negative	26 (23.2)	86(76.8)	0.06	0.307
≥15 days	Positive	2(100)	0(0)	0.25	0.471
≥15 days	Negative	3(23.1)	10(76.9)	0.25	0.471
Total	Positive	17(65.4)	9(34.6)	0.002	0.323
Total	Negative	29(23.2)	96(76.8)	0.002	0.323

ISSN: 1471-2334