Table 3.

Percentages of lymphocyte subsets for healthy children

Cell type or ratioMean % total lymphocytes (or % WBCa) ± 1 SD (range)bfor group:
1 (n = 40)2 (n = 28)3 (n = 24)4 (n = 10)5 (n = 30)
Lymphocytes67.4 ± 7.5 (51–86)54.3 ± 17.41 (19–78)47.5 ± 11.71,2 (20–71)38.2 ± 9.61,2,3 (28–60)29.9 ± 7.41,2,3,4 (19–49)
CD3+ T cells65.4 ± 5.8 (47–79)64.4 ± 7.0 (47–77)65.5 ± 6.1 (50–76)73.3 ± 4.41,2,3 (65–80)74.3 ± 6.91,2,3 (61–85)
CD19+ B cells23.8 ± 5.8 (14–44)23.8 ± 5.9 (14–38)19.6 ± 5.41,2 (10–28)13.4 ± 6.11,2,3 (4–27)13.9 ± 5.21,2,3 (5–27)
CD3 CD16+/CD56+ NK cells8.1 ± 3.3 (3–15)8.5 ± 4.7 (4–21)9.1 ± 40 (4–19)10.5 ± 4.1 (5–17)14.2 ± 7.01,2,3,4 (5–29)
HLA-DR+ T cells3.9 ± 1.6 (1–7)6.3 ± 1.91 (3–11)5.8 ± 2.31 (2–12)10.9 ± 4.31,2,3 (7–17)10.4 ± 3.91,2,3 (5–21)
CD4+ T cells45.6 ± 7.4 (28–62)40.5 ± 5.81 (29–50)41.4 ± 6.01 (25–51)39.1 ± 4.41 (31–45)42.8 ± 6.8 (29–55)
CD8+ T cells22.9 ± 5.2 (14–38)25.1 ± 5.4 (16–34)26.5 ± 5.91 (17–35)34.4 ± 8.61,2,3 (19–47)39.7 ± 7.81,2,3,4 (27–56)
CD4+/CD8+ratio2.1 ± 0.7 (0.7–4.4)1.7 ± 0.51 (0.9–2.8)1.7 ± 0.61 (0.8–2.8)1.2 ± 0.41,2,3 (0.7–2.0)1.1 ± 0.31,2,3 (0.5–1.8)
  • a For total lymphocyte values.

  • b The group or groups whose mean values are significantly (P < 0.05) different from the listed value are indicated by superscript numbers.