Table 2.

Characteristics of Patients Younger Than 65 With Dual X-Ray Absorptiometry and Computed Tomography Attenuation Data.

Age	Sex	Mechanism of injury (high/low velocity)	Classification	DXA (yes/no)	Smoking	Surgery (yes/no)	Type of surgery	Previous fragility fracture	Mean CT attenuation
37	M	Fall, high	Right intertrochanteric hip	Yes	Yes	Yes	Intramedullary nail	No	230
50	F	Fall, low	Right femoral neck	Yes	No	Yes	Right total hip arthroplasty	No	103
55	M	Fall, high		Yes	Yes	No			207
58	F	Pathologic sacral, low		Yes	Yes	No			79
59	F	Pathologic, low	Right femoral head	Yes	No	Yes	Right total hip arthroplasty	No	156
62	F	Fall, low	Right femoral neck	Yes	Former	Yes	Right total hip arthroplasty	No	125
63	F	MVA, high	Petrochanteric left femur	Yes	No	Yes	Intramedullary nail	No	92
64	F	Fall, low	Left intertrochanteric femur	Yes	Former	Yes	Intramedullary nailing, left hip	No	122
64	F	Fall, low	Right intertrochanteric, subtrochanteric femur	Yes	Former	Yes	Intramedullary nail, intertrochanteric and subtrochanteric femur	No	122

Abbreviations: CT, computed tomography; DXA, dual x-ray absorptiometry; F, female; M, male; MVA, motor vehicle accident.