Table 1

Laboratory profile in relation to diagnosis and treatment

		At initial diagnosis	On HAART		8 weeks off therapy
Age		10 months	49 months		57 months
HIV-1 ELISA		Positive	Negative		Positive
Raw optical density
	Cut off	Not available	0.27	0.27	0.28	0.29
	Positive control (PC)	Not available	1.77	1.85	2.1	2.0
	Negative control	Not available	0.02	0.02	0.03	0.04
	External low PC	Not available	0.87	0.68	0.94	0.88
	Patient	Not available	0.26	0.23	2.34	2.38
	Patient/cut off ratio (>1 = positive, <1 = negative)	Not available	0.94	0.83	8.3	8.0
Western blot		Positive	Negative		Positive
Visible bands
	gp160	Not available	Absent		Present
	gp120	Not available	Absent		Present
	gp41	Not available	Absent		Present
	p24	Not available	“+/−” (Band intensity < gp120 in the Weak Positive Control)		Present
DNA PCR		Positive	Negative		Positive
RNA PCR (copies/ml)		>5 log₁₀	<400		>5 log₁₀
CD4 count (cells ×10⁶/l)		Not available	1209 (36%)		716 (26%)