Skip to main content

Table 2 Measurement data result

From: A mysterious risk factor for bone cement leakage into the spinal canal through the Batson vein during percutaneous kyphoplasty: a case control study

Vertebral body PVWCD (mm) VBSD (mm) PVWCD/VBSD(100%)
Thoracic group
 T6(n = 94) 3.8 ± 0.1 23.4 ± 0.2 0.16 ± 0.01
 T7(n = 90) 4.0 ± 0.1 24.1 ± 0.3 0.17 ± 0.02
 T8(n = 90) 4.1 ± 0.1 26.7 ± 0.4 0.16 ± 0.00
 T9(n = 94) 4.3 ± 0.1 27.1 ± 0.4 0.16 ± 0.01
 T10(n = 90) 4.5 ± 0.1 28.1 ± 0.3 0.16 ± 0.02
 T11(n = 90) 4.9 ± 0.1 30.1 ± 0.3 0.16 ± 0.03
 T12(n = 80) 5.2 ± 0.1 31.1 ± 0.4 0.17 ± 0.01
Lumbar group
 L1(n = 70) 2.1 ± 0.1 34.4 ± 2.6 0.06 ± 0.00
 L2(n = 72) 1.4 ± 0.0 36.2 ± 3.7 0.04 ± 0.00
 L3(n = 89) 0.8 ± 0.0 38.5 ± 3.7 0.02 ± 0.00
 L4(n = 90) 41.5 ± 3.2
 L5(n = 92) 44.4 ± 4.5
 T 71.800*   45.722*
 P 0.000   0.000
  1. Note: PVWCD represents the depth of the concave posterior vertebral wall. VBSD represents the Mid-sagittal diameter of the non-fracture vertebral body. Mark -- indicates that the value was almost 0 and could not be accurately measured by CT
  2. *Compared with the thoracic vertebral group, P < 0.05