TABLE 1.

Comparison of absolute lymphocyte subset counts from the present study to those obtained in an Ethiopian study and a Dutch study

Cell typeMean absolute count (cells/μl) ± SDa in:
Present study (n = 209)Ethiopian study (n = 142)cDutch study (n = 1,365)d
Lymphocytes2,224 ± 7171,857 ± 57612,054 ± 5731
T lymphocytes1,618 ± 5481,555 ± 463NS1,525 ± 4583
CD4 T cells869 ± 310775 ± 2252993 ± 3191
CD8 T cellsb615 ± 278 (1.6 ± 0.7)747 ± 3331 (1.2 ± 0.5)1506 ± 2201 (2.2 ± 1.0)1
B cells230 ± 130191 ± 942313 ± 1471
NK cells262 ± 178250 ± 137NSNA
  • a Mean and SD values were compared by using the Student t test. Significance is indicated by superscripts as follows: 1, P ≤ 0.0001; 2, P ≤ 0.005; 3, P ≤ 0.01; and NS, not significant. NA, not available.

  • b The CD4/CD8 ratio is indicated in parentheses.

  • c Tsegaye et al. (12).

  • d Tsegaye et al. (12).