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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