. Author manuscript; available in PMC: 2009 Sep 1.

Published in final edited form as: J Clin Virol. 2008 Jun 9;43(1):66–72. doi: 10.1016/j.jcv.2008.04.011

Table 2.

Demographic characteristics of study population of immunocompetent children^a

Characteristics	Total	SV40 in tonsils		P value	EBV in tonsils		P value
		SV40 positive	SV40 negative		EBV positive	EBV negative
Age (years)
Mean age	9.3	12.3	8.7	<0.001	9.7	9.1	0.29
Age range	2–18	10–17	2–18		3–18	2–17
Female/male	116/104	7/13	109/91		32/35	82/71
Total subjects	220	20	200		67	153

Abbreviations used: SV40, simian virus 40; EBV, Epstein-Barr virus.