showed a trendP = 0.027
The ratio of n-oxPTH/tPTH showed a trend for increase after vitamin D treatment (0.022 (0.003–0.042); P = 0.027 or expressed as percentage by 2.2% (0.3–4.2%)) In addition, 1,25(OH) 2 D concentrations increased after treatment (10.6 pg/mL (3.94–17.2); P = 0.002), while plasma calcium concentrations and 24-h urinary calcium excretion were not affected.