Table 2 Serum bone turnover markers
| Â | Silicon-rich Water | Purified Water | ||||
|---|---|---|---|---|---|---|
| Â | Screen | Baseline | Week 12 | Screen | Baseline | Week 12 |
Calcium (mg/L) | 94.3 ± 1.4 | 93.7 ± 3.4 | 92.6 ± 3.4 | 94.7 ± 3.5 | 94.0 ± 3.9 | 93.3 ± 3.4 |
Bone specific Alk Phos (mcg/L) | 13.9 ± 4.3 | 13.4 ± 4.1 | 13.0 ± 3.4 | 13.6 ± 13.4 | 14.5 ± 3.0 | 13.3 ± 3.4 |
Osteocalcin (ng/mL) | 21.4 ± 8.0 | 18.0 ± 6.7 | 20.3 ± 6.8 | 20.7 ± 6.3 | 15.1 ± 4.0 | 17.7 ± 5.0 |
Procollagen t1 propeptide (μg/L) | 62.3 ± 31.4 | 62.6 ± 28.3 | 55.8 ± 21.8 | 46.7 ± 22.1 | 57.6 ± 14.7 | 56.0 ± 19.1 |
PTH intact (pg/mL) | 39.0 ± 9.6 | 33.3 ± 10.9 | 37.4 ± 12.2 | 38.4 ± 12.4 | 37.3 ± 15.4 | 44.1 ± 21.6 |
Vitamin D, 25 hydroxy (ng/mL) | 29.2 ± 12.6 | 27.8 ± 10.4 | 27.0 ± 8.1 | 23.1 ± 8.2 | 23.5 ± 7.1 | 27.9 ± 11.1 |