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Correlations between 25-OH vitamin D levels and PTH, BSAP, and NTx
Significant correlations between lower 25-OH vitamin D levels and higher parathyroid hormone (PTH), bone-specific alkaline phosphatase (BSAP), and urine cross-linked N-telopeptide of type I bone collagen (NTx) suggest a pattern consistent with secondary hyperparathyroidism with increased turnover. BCE = bone collagen equivalent.
