TABLE 3.
Leucocyte parameter reference intervals of healthy adults stratified by sex, Bamenda, Cameroon, April-September 2015.
| Parameters | White blood cell (×109/L) | Lymphocytes (%) | Monocytes (%) | Granulocytes (%) | Absolute† |
||
|---|---|---|---|---|---|---|---|
| Lymphocytes (×109/L) | Monocytes (×109/L) | Granulocytes (×109/L) | |||||
| Combined male and female participants (N = 340) | |||||||
| Median | 5.3 | 41.6 | 8.6 | 49.4 | 2.1 | 0.4 | 2.6 |
| Mean ± SD | 5.4 ± 1.4 | 42.1 ± 7.4 | 8.6 ± 1.4 | 49.2 ± 7.8 | 2.3 ± 0.7 | 0.5 ± 0.1 | 2.7 ± 0.8 |
| 95th percentile interval | 3.2–8.3 | 29.2–57.9 | 6.0–11.4 | 33.3–63.4 | 1.3–4.0 | 0.3–0.8 | 1.3–4.6 |
| Men (N = 202) | |||||||
| Median | 5.0 | 41.8 | 8.6 | 49.2 | 2.1 | 0.4 | 2.4 |
| Mean ± SD | 5.2 ± 1.3 | 42.1 ± 7.9 | 8.6 ± 1.4 | 49.1 ± 8.2 | 2.2 ± 0.7 | 0.5 ± 0.1 | 2.5 ± 0.8 |
| 95th percentile interval | 3.0–8.2 | 28.2–58.0 | 6.0–11.4 | 33.1–64.8 | 1.2–3.8 | 0.2–0.8 | 1.3–4.5 |
| Women (N = 138) | |||||||
| Median | 5.5 | 41.6 | 8.4 | 50.1 | 2.2 | 0.5 | 2.8 |
| Mean ± SD | 5.8 ± 1.3 | 42.0 ± 6.7 | 8.5 ± 1.5 | 49.3 ± 7.2 | 2.4 ± 0.7 | 0.5 ± 0.2 | 2.9 ± 0.8 |
| 95th percentile interval | 3.6–8.3 | 30.6–56.9 | 6.0–11.4 | 34.0–62.4 | 1.5–4.1 | 0.3–0.9 | 1.5–4.7 |
| p-value | 0.002* | 0.896 | 0.363 | 0.659 | 0.011* | 0.155 | 0.002* |
SD, standard deviation; WBC, white blood cell; N, number.
*
, p-values < 0.05 statistically significant difference between men and women.
†
, number.