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. 2012 Jun 26;21(9):1815–1825. doi: 10.1007/s00586-012-2406-9

Table 1.

Demographic data of the patients

Factors Numbers  %
Groups Subgroups
Gender Males 17 60.7
Females 11 39.3
Cauda equina lesion Complete cauda 11 39.3
Incomplete cauda 17 60.7
Initial neurological impairment Gibbons type I 0 0
Gibbons type II 8 28.6
Gibbons type III 9 32.1
Gibbons type IV 11 39.3
Zone III sacral fracture subtyping Roy-Camille type II 13 46.4
Roy-Camille type III 15 53.6
Age groups 21–30 years 7 25
31–40 years 10 35.7
41–50 years 9 32.1
51–60 years 2 7.1
Mechanism of injury Fall from height 11 39.3
Motorcycle accidents 9 32.1
Pedestrian accidents 8 28.6
Associated injuries Head injuries 9 32.1
Chest injuries 5 17.9
Abdominal injuries 14 50
Urological injuries 8 28.6
Extremities injuries 9 32.1
Spine fractures 5 17.9
Unilateral L5–S1 Facet joint injury 13 46.4
Unilateral 5th Lumber pedicle fracture 7 25
Unilateral 5th lumber transverse process fracture 16 57.2
Morel-Lavallee lesions 8 28.6
Transverse sacral fracture element Through sacral one body 10 35.7
Through sacral two body 9 32.1
Obliquely through sacral one and two bodies 9 32.1
Initial fracture kyphosis angle 0–19° 5 17.9
20–39° 8 28.6
40–59° 8 28.6
60–79° 7 25
Timing of fixation Definitive primary anterior pelvic fixation 18 64.3
Secondary anterior pelvic fixation 10 35.7
Primary posterior fixation 14 50
Secondary posterior fixation 7 25
Tertiary posterior fixation 7 25
Decompression type Indirect decompression 14 50
Direct decompression 14 50
Residual neurological impairment Gibbons type I 19 67.8
Gibbons type II 5 17.9
Gibbons type III 3 10.7
Gibbons type IV 1 3.6