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Table 1 Patient demographics (n = 37)

From: Open reduction and internal fixation of quadrilateral plate fractures in the elderly: association between initial fracture pattern and outcomes

Gender (n, %)  
Male 26(70.3)
Female 11(29.7)
Age,years (mean ± SD) 64.9 ± 3.8
Mechanism of injury (n, %)
Fall from height (greater than standing) 11(29.7)
Fall (from standing height) 7(18.9)
Traffic accident 19(51.4)
Fracture side,left (n, %) 22(56.5)
Concomitant injuries (n, %)
Head trauma 7(18.9)
Spine and sacral fracture 7(18.9)
Limb fracture 9(24.3)
Rib or clavicle fracture 6(16.2)
Dislocation of hip 13(35.1)
Others 4(10.8)
Gull sign (n, %) 8(21.6)
Pre-existing comorbidity (n, %)
Hypertension 10(27)
Diabetes mellitus 6(16.2)
Lung disease 4(10.8)
Fracture type (n, %)  
Both columns 15(40.5)
Both columns + Posterior wall 3(8.1)
Anterior column 2(5.4)
Anterior column + Anterior wall 1(2.7)
ACPH 8(21.6)
T type 3(8.1)
Transverse and posterior wall 2(5.4)
Transverse 3(8.1)
  1. ACPH anterior column and posterior hemitransverse