Which of the following is the most frequent presentation of osteoporosis?
Weight loss
Bowing of legs
Veebral compression fracture
Low serum calcium level
Compression fracture or collapse of veebrae resulting in back ache is the usual symptom of osteoporosis. Osteoporosis is a skeletal disorder characterized by a loss of bone osteoid that reduces bone integrity resulting in increased risk of fractures. It is associated with normal serum calcium, phosphate and parathyroid hormone level. Reference: Current Medical Diagnosis and Treatment 2013, chapter 26.