The period from prodromal fever onset to rash onset in laboratory-confirmed rubella cases: a cross-sectional study

Table 3 RT-PCR test results by the time from onset of fever until onset of rash

			The time from onset of fever until onset of rash (days)
		−2	−1	0	1	2	3	4	5	6–12	Total
Positive	N (%)	0 (0)	2 (22)	9 (50)	8 (67)	3 (43)	0 (0)	0 (0)	0 (0)	0 (0)	22
	Subtotal^a	0	22				0
	(%)	(0)	(48)				(0)
Negative	N (%)	2 (100)	7 (78)	9 (50)	4 (33)	4 (57)	15 (100)	7 (100)	4 (100)	4 (100)	56
	Subtotal^a	2	24				30
	(%)	(100)	(52)				(100)
Total	N	2	46				30				78

^a Subtotal was calculated for cases in whom the time from onset of fever until onset of rash was −2 days, between −1 day and 2 days, and ≥ 3 days

ISSN: 1471-2334