Table 4

Fracture type (AO/ASIF Classification)

Type of fracture
AO/ASIF Category
Number of patients

Pertrochanteric multifragmentary (>1 cm below lesser trochanter)
31-A2.3
3
Intertrochanteric multifragmentary
31-A3.3
2
Simple spiral subtrochanteric
32-A1.1
16
Simple oblique subtrochanteric
32-A2.1
7
Simple transverse subtrochanteric
32-A3.1
6
Wedge, spiral subtrochanteric
32-B1.1
3
Wedge, bending subtrochanteric
32-B2.2
1
Wedge, fragmented subtrochanteric
32-B3.3
2
Impending pathological fracture
N/A
2

Rethnam et al. Journal of Trauma Management & Outcomes 2007 1:7   doi:10.1186/1752-2897-1-7