Table 1.

Characteristics of patients (n=40)

Characteristic	Value
Mean age (yr)	72.2
Gender
Male	28
Female	12
Surgical indications
Osteoporotic fracture with back pain resistant to conservative treatment	32
Osteoporotic fracture with pain and neurologic deficit	6
Symptomatic proximal junctional kyphosis after surgical stabilization in osteoporotic spine	2
Location of screws
Thoracic	184
Thoracolumbar junction	82
Lumbar	98
Dual absorption X-ray absorptiometry scan range (T-score)	-3.2 to -4.3

Values are presented as mean, number of patients, or range.