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Table 1 Demographic Characteristics

From: Healing pattern classification for thoracolumbar burst fractures after posterior short-segment fixation

 Stable GroupUnstable GroupP-value
Type IType IITotalType IIIType IVTotal 
Sample size12921191231
Age (mean ± SD)40.2 ± 11.847.3 ± 9.343.2 ± 10.943.7 ± 8.834.9 ± 9.340.3 ± 9.70.327
Gender
Male64101511260.005*
Female6511415
AOSpine Classification
A31292116117< 0.001*
A400031114
Smoking history21355100.004*
Location of fracture
T110000110.193
T12145303
L153811314
L2527325
L3101156
L4000112
Load Sharing Classification score
Comminution1.4 ± 0.71.7 ± 0.51.5 ± 0.62.1 ± 0.52.8 ± 0.52.3 ± 0.6< 0.001*
Fragmental apposition1.3 ± 0.71.2 ± 0.41.3 ± 0.51.7 ± 0.72.6 ± 0.72.1 ± 0.8< 0.001*
Deformity correction2.1 ± 0.82.4 ± 0.72.2 ± 0.72.5 ± 0.62.8 ± 0.52.6 ± 0.50.047*
Total Score4.8 ± 1.75.2 ± 1.25.0 ± 1.56.3 ± 1.58.3 ± 1.17 ± 1.7< 0.001*
ASIA impairment scale
B0000110.029*
C000224
D101448
E1192013518
Spinal canal decompression
YES21347110.091
NO1081815520
  1. None of the patients had ASIA-A spinal cord impairment
  2. *A P-value < 0.05 is considered statistically significant between the Stable Group and the Unstable Group