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Cross-sectional cohort study. To describe: (1) the prevalence of suboptimal 25-hydroxyvitamin D status (serum 25(OH)D &lt;75 nmol l(-1)) and to identify correlates of vitamin D deficiency; (2) the prevalence of secondary hyperparathyroidism (serum intact parathyroid hormone (PTH)&gt;7.0 pmol l(-1)); and (3) the relationships between serum PTH and 25(OH)D in adult men and women with chronic spinal cord injury (SCI).

Serum 25(OH)D, PTH and correlates of suboptimal 25(OH)D levels in persons with chronic spinal cord injury