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Table 4 Fracture type (AO/ASIF Classification)

From: Complex proximal femoral fractures in the elderly managed by reconstruction nailing – complications & outcomes: a retrospective analysis

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