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Table 4 Characteristics of participants in Study 2

From: Endplate and intervertebral disc injuries in acute and single level osteoporotic vertebral fractures: is there any association with the process of bone healing?

  Union Delayed union P-value
Number of OVFs 68 (80) 17 (20)  
Age 80.5 (±7.3) 78.8 (± 6.9) 0.394
Gender (male/female) 15/53 3/14 0.690
Spinal level 0.133
 Thoracic spine 2 (66.7) 1 (33.3)  
 Thoracolumbar spine 41 (74.5) 14 (25.5)  
 Lumbar spine 25 (92.6) 2 (7.4)  
T1-WI 0.693
 Diffuse low 62 (79.5) 16 (20.5)  
 Focal low 6 (85.7) 1 (14.3)  
T2-WI <0.001
 Focal high 7 (43.8) 9 (56.3) <0.001
 Focal low 24 (88.9) 3 (11.1)  
 Diffuse high 14 (100) 0 (0)  
 Diffuse low 23 (82.1) 5 (17.9) 0.729
PW injury 0.003
 Intact 43 (63.2) 25 (36.8)  
 Injured 4 (75.6) 13 (24.4)  
Endplate injury 0.329
 Intact 37 (84.1) 7 (15.9)  
 Injured 31 (75.6) 10 (24.4)  
IVD injury 0.121
 Intact 30 (82.2) 4 (11.8)  
 Injured 38 (74.5) 13 (25.5)  
  1. Within each group, age is expressed as mean with standard deviation (SD) indicated in parenthesis. T1-weighted image classification (T1-WI), T2-weighted image classification (T2-WI), posterior wall injury (PW injury), endplate injury and intervertebral disc (IVD) injury, the number in parentheses indicates the % of the total number (union plus delayed union) of osteoporotic vertebral fractures (OVFs) that fall within each category. Bolded numbers indicate statistically significant P-value numbers