Table 2.
aThe range for a healthy CD4 count is 500–1,000 cells/mm3. A CD4 count of <200 cells/mm3 is an indicator of an AIDS diagnosis. Source: Department of Health and Human Services (US). AIDS.gov: understand your test results: CD4 count [cited 2010 Dec 13]. Available from: URL: http://aids.gov/hiv-aids-basics/diagnosed-with-hiv-aids/understand-your-test-results/cd4-count
HIV = human immunodeficiency virus
ECHO = Evaluation Center on HIV and Oral Health
SPNS = Special Projects of National Significance
SD = standard deviation
mm3 = cubic millimeter
AIDS = acquired immunodeficiency syndrome