TABLE 2.
Means, medians, and 95th percentile reference ranges of WBC subset absolute counts for 142 HIV-negative adult Ethiopiansa
| Subject group (n) and parameter | Granulocyte count | Monocyte count | Lymphocyte count | CD4 T-cell count | CD8 T-cell count | CD4/CD8 T-cell ratio | CD3 T-cell count | B-cell count | NK cell count |
|---|---|---|---|---|---|---|---|---|---|
| Male (92) | |||||||||
| Mean ± SD | 3,083 ± 1,361 | 359 ± 136 | 1,857 ± 606 | 753 ± 227 | 777 ± 362 | 1.1 ± 0.4 | 1,564 ± 485 | 184 ± 96 | 277 ± 143 |
| Median | 2,775 | 324 | 1,801 | 733 | 645 | 1.1 | 1,465 | 170 | 272 |
| 95% range | 1,053–7,179 | 166–697 | 956–3,474 | 306–1,249 | 318–1,891 | 0.4–2.1 | 696–2,738 | 31–420 | 56–639 |
| Female (50) | |||||||||
| Mean ± SD | 3,009 ± 1,287 | 314 ± 120 | 1,856 ± 522 | 816 ± 218 | 692 ± 269 | 1.3 ± 0.5 | 1,539 ± 423 | 203 ± 91 | 258 ± 153 |
| Median | 3,093 (0.98)b | 276 (0.05) | 1,701 (0.88) | 810 (0.17) | 632 (0.30) | 1.2 (0.03) | 1,483 (0.84) | 198 (0.17) | 227 (0.36) |
| 95% range | 750–5,521 | 96–622 | 1,098–3,487 | 456–1,368 | 273–1,418 | 0.6–2.7 | 871–2,413 | 61–471 | 85–871 |
a
Absolute counts were measured per microliter of whole blood.
b
All values in parentheses are P values (Mann-Whitney U test) for comparison of medians for male and female subjects.