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Table 3 Fracture Distribution (N = 521)

From: Analysis and improvement of the three-column spinal theory

Groups (Type A.) T11 T12 L1 L2 L3 L4 L5 Total
A1. Impaction fractures 8 42 91 82 29 18 8 278
A1.2.1 8 37 83 77 28 17 8
A1.2.2 0 3 4 2 0 0 0
A1.2.3 0 2 4 3 1 1 0
A2. Split fractures 0 2 7 4 2 2 1 18
A2.1 0 1 4 0 1 1 1
A2.2 0 1 2 3 1 1 0
A2.3 0 0 1 1 0 0 0
A3. Burst fractures 5 29 73 57 33 18 10 225
A3.1.1 3 14 39 36 16 12 3
A3.1.2 0 3 7 7 5 1 1
A3.1.3 1 1 5 2 1 1 0
A3.2.1 1 6 9 5 3 2 0
A3.2.2 0 1 2 1 0 0 0
A3.2.3 0 0 1 0 1 0 0
A3.3.1 0 0 4 0 2 1 2
A3.3.2 0 2 4 2 3 0 3
A3.3.3 0 2 2 4 2 1 1