S. No. | Haematological parameters | Young age (2–4 years) | Adult age (5–10 years) | Old age (11–20 years) | Reference range at low altitudea | Reference range at high altitudeb |
---|---|---|---|---|---|---|
1. | Hemoglobin (g/dl) | 15.26 ± 0.92 | 14.61 ± 0.64 | 14.56 ± 0.51 | 11.1–17.4 | 12.8–17.5 |
2. | ESR value (mm/hr) | 0.91 ± 0.03 | 0.91 ± 0.04 | 0.76 ± 0.0.07 | 0.0–1.0 | 0.63–1.03 |
3. | Packed cell volume (%) | 41.0 ± 2.0 | 39.83 ± 0.54 | 40.0 ± 1.14 | 25.0–39.0 | 37.0–44.0 |
4. | Erythrocytes (✕106/ mm3) | 11.61 ± 0.14 | 9.90 ± 0.25 | 10.29 ± 0.61 | 8.5–13.4 | 9.11–12.13 |
5. | Leukocytes (✕103/mm3) | 16.16 ± 1.3 | 16.72 ± 0.05 | 15.52 ± 0.07 | 8.6–16.5 | 13.25–18.75 |
6. | Platelets (✕105/ul) | 8.23 ± 0.20 | 7.75 ± 0.16 | 8.12 ± 0.45 | 2.2–5.26 | 6.7–9.2 |
7. | Neutrophils (%) | 53.3 ± 2.96 | 56.5 ± 2.09 | 56.6 ± 0.92 | 55.0–79.0 | 49.0–64.0 |
8. | Banded Neutrophils (%) | 25.45 ± 1.08 | 23.24 ± 0.37 | 23.9 ± 1.02 | – | – |
9. | Lymphocytes (%) | 38.0 ± 1.52 | 36.3 ± 2.27 | 35.8 ± 1.11 | 18.0–33.0 | 28.0–44.0 |
10. | Monocytes (%) | 4.6 ± 1.20 | 3.83 ± 0.31 | 4.2 ± 0.58 | 0.0–4.0 | 3.0–7.0 |
11. | Eosinophils (%) | 3.33 ± 0.33 | 2.5 ± 0.22 | 2.8 ± 0.37 | 0.0–9.0 | 2.0–4.0 |
12. | Basophils (%) | 1.0 ± 0.0 | 1.0 ± 0.0 | 1.0 ± 0.0 | 0.0–1.00 | 1.0–2.0 |