TABLE 1.
Means, medians, and 95th percentile reference ranges of hematological parameters for 485 HIV-negative adult Ethiopians
| Subject group (n) and parameter | WBC count (109/liter) | RBC count (1012/liter) | Hemoglobin level (g/dl) | Hematocrit (%) | Platelet count (109/liter) |
|---|---|---|---|---|---|
| Male (280) | |||||
| Mean ± SD | 6.0 ± 1.8 | 5.1 ± 0.4 | 16.1 ± 1.1 | 48.3 ± 3.4 | 207 ± 62 |
| Median | 5.9 | 5.0 | 16.1 | 48.2 | 203 |
| 95% range | 3.0–9.8 | 4.3–5.9 | 13.9–18.3 | 41.6–55.1 | 97–324 |
| Female (205) | |||||
| Mean ± SD | 6.2 ± 2.2 | 4.5 ± 0.4 | 14.3 ± 1.2 | 42.0 ± 3.2 | 202 ± 67 |
| Median | 5.9 (0.99)a | 4.5 (0.0001) | 14.4 (0.0001) | 42.1 (0.0001) | 193 (0.22) |
| 95% range | 3.0–12.2 | 3.7–5.2 | 12.2–16.6 | 35.3–48.8 | 98–352 |
a
All values in parentheses are P values (Mann-Whitney U test) for comparison of medians for male and female subjects.