S. No. | Biochemical parameters | Young age (2–4 years) | Adult age (5–10 years) | Old age (11–20 years) | Reference range at low altitude‡ | Reference range at high altitude# |
---|---|---|---|---|---|---|
1. | Albumin (g/dl) | 3.3 ± 0.05 | 3.58 ± 0.08 | 3.54 ± 0.09 | 2.8–3.3 | 3.2–3.9 |
2. | Calcium (mg/dl) | 9.56 ± 0.22 | 9.61 ± 0.13 | 9.53 ± 0.11 | 6.4–10.3 | 9.12–10.05 |
3. | Creatinine (mg/dl) | 2.3 ± 0.1 | 3.0 ± 0.25 | 3.1 ± 0.18 | 0.85–2.5 | 2.2–3.9 |
4. | Alanine aminotransferase (U/L) | 14.10 ± 2.65 | 13.01 ± 1.62 | 11.6 ± 0.94 | 8.1–19.5 | 8.5–20.6 |
5. | Aspartate aminotransferase (U/L) | 130.13 ± 15.4 | 104.8 ± 4.7 | 134.54 ± 19.2 | 69.0–98.0 | 91.5–208.70 |
6. | Triglycerides (mg/dl) | 35.63 ± 4.14b | 24.77 ± 1.29a | 24.47 ± 1.58a | NR | 18.38–43.65 |
7. | Iron (mg/L) | 1.46 ± 0.12 | 1.25 ± 0.12 | 1.38 ± 0.17 | 0.83–1.5 | 0.8–1.8 |
8. | Magnesium (mg/dl) | 2.36 ± 0.08 | 2.32 ± 0.16 | 2.33 ± 0.15 | 1.8–2.3 | 1.84–2.72 |
9. | Total Protein (g/dl) | 5.91 ± 0.09a | 6.77 ± 0.14b | 6.81 ± 0.23b | 5.5–7.0 | 5.73–7.62 |
10. | Urea (mg/dl) | 46.87 ± 6.07 | 45.4 ± 3.19 | 51 ± 5.22 | 15.5–61.26 | 34.13–66.7 |
11. | Glucose (mg/dl) | 67.36 ± 0.49 | 58.78 ± 3.34 | 62.62 ± 4.1 | NR | 45.73–77.8 |
 | Antioxidant parameters | |||||
1. | DPPH scavenging activity (%) | 29.39 ± 5.37 | 38.78 ± 2.81 | 33.45 ± 2.95 | NR | 18.8–49.6 |
2. | FRAP assay (μmol/L) | 175.0 ± 16.21 | 214.5 ± 25.84 | 209.14 ± 32.61 | NR | 148.7–337.6 |
3. | Uric acid (mg/dl) | 0.13 ± 0.03 | 0.11 ± 0.01 | 0.16 ± 0.04 | 0.3–0.7 | 0.1–0.3 |