In United States the annual rate of IT fractures in elderly females is about 63 per 100,000 and in males about 34 per 100,000.
The severity of osteoporosis may influence the type of hip fractures. IT fractures are more common in severely osteoporotic women.
OTA Classification
31-A1Per trochanteric simple
A1-1 Along inter trochanteric line
A1-2 Through greater trochanter.
A1-3 Below lesser trochanter.
31-A2 Per trochanteric with multiple fragments
A2-1 with one fragment
A2-2 with multiple fragments
A2-3 fracture extending more than one CM below lesser trochanter
31-A3 Inter trochanteric fracture
A3-1 Simple oblique
A3-2 Simple transverse
A3-3 Multifragmentary
Bibliography: Geographic variation in device use for Intertrochanteric hip fracture; Mary L.Forte DC et al J bone Joint surg Am.2008;90:691-9
Nail or plate Fixation of Intertrochanteric Hip Fractures: Changing pattern of Practice, A review of the American Board of orthopedic surgery data base. Jeffrey O.Anglen, MD and James N.Weinstein DO J BONE JOINT SURG Am. 2008:90:700-7
Early operation on patients with a hip fracture improved the ability to return to independent living. JBJS Am.2008;90:1436-42