| Intervention |  | Usual care |  |  |  | ||||
---|---|---|---|---|---|---|---|---|---|---|
 | Baseline (n = 22) | 3 months (n = 22) | 6 months (n = 20) | P†| Baseline (n = 22) | 3 months (n = 21) | 6 months (n = 19) | P†| Group × Time | Observed Power |
Ca (mg/dl) | 8.1 ± 0.6 | 8.7 ± 0.6 | 9.2 ± 0.6 |  < 0.001** | 8.4 ± 0.5 | 8.6 ± 0.6 | 8.3 ± 0.7 | 0.4 |  < 0.001** | 0.98 |
P (meq/lit) | 5.8 ± 1.4 | 5.1 ± 1.1 | 4.1 ± 0.5 |  < 0.01** | 5.4 ± 1.3 | 5.9 ± 1.2 | 5.7 ± 0.9 | 0.1 |  < 0.001** | 0.97 |
PTH (pg/ml) | 459 ± 192 | 342 ± 127.4 | 248.6 ± 78.4 |  < 0.001** | 382.5 ± 166.8 | 363.5 ± 153.5 | 375.3 ± 150 | 0.7 |  < 0.001** | 0.97 |
Ca × P (mg2 /dL2) | 47.3 ± 11.1 | 44 ± 8 | 38 ± 5 | 0.01* | 44.2 ± 10.6 | 50.4 ± 10 | 46.2 ± 7.3 | 0.1 | 0.003** | 0.89 |
ALP (U/L) | 194.6 ± 28.3 | 161.5 ± 27 | 135.9 ± 19.5 |  < 0.001** | 200.5 ± 30.4 | 209 ± 28.3 | 208.4 ± 31 | 0.1 |  < 0.001** | 0.99 |