Determinants of Mortality among Adult HIV-Infected Patients on Antiretroviral Therapy in a Rural Hospital in Southeastern Nigeria: A 5-Year Cohort Study

Table 1

WHO staging of HIV based on CD4 cells count.

HIV-associated immunodeficiency	Age-related CD4 values
	<11 months; (%CD4+)	12–35 months; (%CD4+)	36–59 months; (%CD4+)	>5 years (cells/μL or %CD4+)
None or not significant	>35	>30	>25	>500
Mild	30–35	25–30	20–25	350–499
Advanced	25–29	20–24	15–19	200–349
Severe	<25	<20	<15	<200 or <15%