Table 2.
Baseline biochemical and hormonal serum levels.
| Serum | CaCO3 supplementation |
p-value | ||
|---|---|---|---|---|
| Water | Juice | Breakfast | ||
| Calcium (mg/dL) | 8.54 ± 3.32 | 8.54 ± 3.32 | 8.73 ± 3.32 | 0.809 |
| Phosphorus (mg/dL) | 3.8 ± 0.69 | 3.74 ± 0.72 | 4 ± 0.65 | 0.640 |
| Magnesium (mg/dL) | 1.93 ± 0.17 | 1.88 ± 0.13 | 1.92 ± 0.17 | 0.693 |
| Total protein (g/dL) | 6.84 ± 0.58 | 6.89 ± 0.55 | 7.05 ± 0.76 | 0.716 |
| Albumin (g/dL) | 3.93 ± 0.38 | 3.98 ± 0.24 | 3.98 ± 0.38 | 0.939 |
| Globulin (g/dL) | 2.91 ± 0.34 | 3.25 ± 1.00 | 3.08 ± 0.48 | 0.482 |
| Alkaline phosphatase (U/L) | 72.58 ± 12.2 | 74 ± 15.8 | 71.33 ± 12.7 | 0.840 |
| 25-hydroxyvitamin D (ng/mL) | 32.19 ± 10.2 | 33.36 ± 11.6 | 32.87 ± 9.56 | 0.964 |
| PTH (pg/mL) | 12.36 ± 8.66 | 14.01 ± 9.63 | 12.46 ± 8.04 | 0.876 |
| TSH (μLU/mL)a | 1.21 ± 2.88 | 0.92 ± 2.01 | 0.9 ± 2.36 | 0.896 |
| FT4 (ng/mL) | 1.34 ± 0.28 | 1.35 ± 0.31 | 1.33 ± 0.38 | 0.990 |
Values expressed as mean ± SD. Statistical tests: ANOVA followed by Tukey.
a
Adjustment in distribution range (asymmetric data); significance, p < 0.05.
CaCO3, calcium carbonate; FT4, free thyroxine; TSH, thyrotropin; PTH, parathyroid hormone.
Reference values: calcium 8.4–10.2 mg/dL; phosphorus 2.5–4.5 mg/dL; magnesium 1.6–2.3 mg/dL; total protein 6.3–8.2 g/dL; albumin 3.5–5 g/dL; globulin 1.4–3.2 g/dL; alkaline phosphatase 35–104 U/L; 25-hydroxyvitamin D 30–60 ng/mL; PTH 11–65 pg/mL; TSH 0.4–4 μLU/mL; FT4 0.8–1.8 ng/mL.