Establishment of Normal Reference Intervals for CD3⁺, CD4⁺, CD8⁺, and CD4⁺ to CD8⁺ Ratio of T Lymphocytes in HIV Negative Adults from University of Gondar Hospital, North West Ethiopia

Table 5

The overall 95% normal reference interval for Tlymphocytes in HIV negative adults in the current study as compared to other African countries.

Parameter	User’s guideline	Current study	Previous study in Ethiopia	Kenya	Tanzania	Uganda	Nigeria
CD3^+/L	688–1955	655–2823	NA	744–2634	NA	NA	NA
CD4^+/L	500–1300	321–1389	366–1235	421–1550	312–1367	418–2105	365–1571
CD8^+/L	208–796	220–1664	311–1618	210–1081	168–996	256–1619	145–884
CD4 : CD8 ratio/L	0.83–6.10	0.5–2.5	0.4–2.4	0.9–3.3	1.1–2.5	0.52–4.1	0.5–5.3
References in numbers			[14]	[20]	[10]	[8]	[11]

NA = not available.