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

Table 4 RT-PCR test results among cases with short interval between rash onset and RT-PCR

		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 (25)	7 (44)	6 (60)	3 (50)	0 (0)	0 (0)	0 (0)	0 (0)	18
	Subtotal^a	0	18				0
	(%)	(0)	(45)				(0)
Negative	N (%)	1 (100)	6 (7)	9 (56)	4 (40)	3 (50)	13 (100)	6 (100)	3 (100)	4 (100)	49
	Subtotal^a	1	22				26
	(%)	(100)	(55)				(100)
Total	N	1	40				26				67

RT-PCR test results by the time from onset of fever until onset of rash in cases with 0–3 days of interval between rash onset and RT-PCR test
^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