BMC Infectious Diseases

Table 2 Sign test—testing frequency

From: HIV outcomes within the context of orphans and vulnerable children programing: the 4Children project in South Sudan

Sign	All ages			≥ 18			< 18
	Obs	Expected	P	Obs	Expected	P	Obs	Expected	P
Positive	83	119.5		68	87		14	32
Negative	156	119.5		106	87		50	32
Zero	56	56		34	34		20	20
Total	295	295	0.00	208	208	0.0049	84	84	0.00

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ISSN: 1471-2334

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