TABLE 5.
Means, medians and 95th percentile reference intervals for haematological parameters for 261 HIV-negative adults in Botswana.
| Subject group | Parameter | WBC count (109/L) | RBC count (109/L) | Haemoglobin (g/dL) | Haematocrit (%) | Platelet count (109/L) | Mean Cellular Volume (fL) | Mean Cell Haemoglobin (pg) | Mean Cell Haemoglobin Concentration (g/dL) |
|---|---|---|---|---|---|---|---|---|---|
| Male | Mean | 5.1 | 5.20 | 15.12 | 43.38 | 277.80 | 83.68 | 29.25 | 34.9 |
| s.d. | 1.54 | 0.39 | 0.99 | 2.59 | 60.00 | 4.03 | 1.84 | 1.03 | |
| Median | 4.84 | 5.18 | 15.3 | 43.3 | 277.5 | 84 | 29.5 | 35 | |
| Reference range | 2.9–7.9 | 4.20–6.30 | 11.90–17.10 | 36.10–49.30 | 141–494 | 73.80–95.60 | 23.40–33.30 | 31.80–37.60 | |
| Female | Mean | 5.9 | 4.44 | 12.54 | 36.69 | 277.80 | 82.72 | 28.02 | 33.88 |
| s.d. | 1.7 | 0.33 | 1.31 | 3.36 | 60.00 | 6.57 | 2.97 | 1.22 | |
| Median | 5.66 | 4.44 | 12.9 | 37.4 | 277.5 | 84.15 | 28.55 | 34.05 | |
| Reference range | 3.9–8.6 | 3.66–5.39 | 9.30–16.00 | 28.20–46.20 | 141–494 | 62.40–94.30 | 17.90–32.80 | 30.60–36.60 | |
| - | p-value* | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | 0.8885 | 0.0017 | < 0.05 |
RBC, red blood cell; WBC, white blood cell; s.d., standard deviation.
*
P-values (Mann-Whitney U test) are for comparison of medians for male and female subjects.