Table 1. Baseline characteristics of patient groups.

	Age (years)	CD4+ T-cell count (cells/µL)	Viral load (copies/ml ×103)
PHI	31 (27–33)	675 (418–945)	71400 (20900–690400)
CHI	41 (38–45)	281 (117–390)	163750 (32000–296000)
P value	<0.05	<0.05	0.82

Median and (interquartile range) are shown. PHI = Primary HIV infection; CHI = Chronic HIV infection.