Findings Number (%)
Bone pain 12/23 (52%)
Tetany or paraesthesiae 8/23 (35%)
Pelvic deformity 8/23 (35%)
Muscle weakness or waddling gait 6/23 (26%)
Serum calcium < 8.8 mg/dL 20/23 (86%)
Elevated serum alkaline phosphatase 11/12 (92%)
Serum 25-hydroxyvitamin D < 10 ng/mL 11/12 (92%)
Elevated serum parathyroid hormone 6/7 (86%)