PTH and osteoporosis: There was no difference in PTH between those patients with normal femoral neck BMD, osteopenia and osteoporosis (median 31.1 (14.1–53.6) vs 29.9 (17.7–46.7) vs 26.5 (15.4–48.9) pmol/L), or active vitamin D prescription (median 0.5 (0.5–1.5) vs 0.5 (0.5–0.5) vs 0.5 (0.5–0.56) ug/week, respectively.