Table 5.

Percentage lymphocyte subset concentration by age from peripheral blood from healthy children in Cameroon

SubsetTotal no. of samplesMedian % lymphocyte concn (10th and 90th percentiles) for the indicated age groupaP
Cord blood0–3 mo3–6 mo6–12 mo12–24 mo2–6 yrAgebSex
CD335265 (53–73)60 (44–75)52 (44–66)59 (49–72)57 (39–74)59 (50–73)NS0.17
CD435244 (34–57)41 (32–57)37 (25–51)38 (28–48)34 (21–46)35 (26–44)NS0.71
CD835217 (11–30)16 (10–27)14 (10–21)20 (13–27)18 (11–30)20 (14–30)NS0.02
T4/T83513 (2–5)3 (2–5)3 (2–5)3 (2–4)2 (1–4)2 (2–3)NS0.04
CD1934916 (9–23)27 (11–43)34 (20–46)30 (18–41)29 (12–50)25 (17–38)NS0.63
NK34916 (6–28)10 (5–15)8 (6–33)8 (4–13)8 (4–26)8 (4–25)NS0.41
4/DR/383382 (1–6)3 (2–5)3 (2–8)3 (2–8)4 (3–8)4 (2–7)NS0.88
4/DR3372 (1–6)4 (3–7)4 (3–11)4 (3–9)5 (3–11)5 (3–9)NS0.83
4/3834498 (95–99)94 (89–97)92 (77–96)92 (83–95)86 (71–90)79 (71–84)NS0.44
8/DR/383401 (1–4)5 (2–32)7 (2–29)10 (6–32)10 (6–33)9 (6–23)NS0.75
8/DR3431 (1–7)6 (2–32)8 (2–29)11 (6–32)11 (6–34)10 (8–33)NS0.66
8/3834595 (89–98)97 (81–99)95 (77–97)93 (77–99)84 (56–95)79 (54–88)NS0.85
3/4/RO33310 (3–32)11 (5–19)12 (7–23)12 (9–25)16 (11–33)19 (15–30)NS0.22
3/4/RA33441 (19–59)41 (20–59)36 (16–58)38 (20–58)29 (16–53)27 (18–40)NS0.24
4/RA34290 (84–96)85 (72–90)81 (52–91)80 (68–87)67 (50–83)64 (54–76)NS0.56
4/RO34210 (4–16)15 (10–28)19 (9–48)20 (13–32)33 (17–50)36 (24–46NS0.56
3/8/RO3233 (1–6)3 (1–12)4 (1–14)5 (3–19)5 (3–13)7 (4–16)NS0.7
3/8/RA30022 (11–40)20 (14–49)20 (15–25)22 (14–54)20 (15–69)21 (16–49)0.050.07
8/RA32991 (79–96)93 (74–96)88 (74–97)84 (66–94)75 (54–94)80 (64–89)NS0.11
8/R03389 (4–21)7 (4–26)12 (3–26)16 (6–34)26 (6–46)20 (11–36)NS0.11
4/RA/62L28277 (62–85)66 (53–78)62 (43–72)64 (52–77)54 (38–68)51 (42–64)NS0.97
8/RA/62L23675 (58–88)71 (30–83)62 (35–79)53 (34–76)49 (20–72)48 (28–70)NS0.49
γδ2253 (2–5)5 (2–6)5 (3–8)7 (4–15)8 (5–18)9 (6–16)NS0.47
αβ22494 (86–97)91 (84–96)90 (82–95)89 (81–94)88 (77–93)88 (79–93)NS0.21
  • a Values are medians (10th and 90th percentiles) and are presented as percentages of the total lymphocyte concentration except for the ratio of CD4 T lymphocytes to CD8+ T lymphocytes.

  • b NS, not significant.