Tryptophan depletion in context of the inflammatory and general nutritional status of a low-income South African HIV-infected population

Table 3 Neopterin levels in HIV patients compared to that of HIV patients from populations of developed countries

	Total patient groups		At lower CD4		At higher CD4
Study	NPT	CD4	NPT	CD4	NPT	CD4
Present study	45.6	258.0 cells/μl	70.5	<200 cells/μl	24.1	>200 cells/μl
Schroeksnadel et al. 2008 [6]	14.1	404 cells/mm³	-	-	-	-
Zangerle et al. 2002 [8]	23.4	112 cells/μl	23.4	112 cells/μl	8.0	232 cells/μl
Mildvan et al. 2005 [57]	16.0	75 cells/ml	20.4	50 cells/ml	9.9	200 cells/ml
Hanna et al. 2009 [58]	-	-	24.4	<200 cells/μl	12.5	>200 cells/μl
Kurz et al. 2009 [59]	25.0	204 cells/mm³	-	-	-	-
Bogner et al. 1988 [60]	-	-	29.7	264 cells/μl	14.4	487 cells/μl

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