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Table 4 The extent of bone cement intrusion into the spinal canal after PKP in two groups was compared

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

Groups BCSD (mm) BCA (mm2) SCA (mm2) (BCA /SCA) × 100%
T- group(n = 31) 3.1 ± 0.5 30.2 ± 3.8 175.7 ± 7.7 17.2 ± 2.0
L- group(n = 9) 1.4 ± 0.3 14.8 ± 2.2 199.4 ± 6.4 7.4 ± 1.0
T/Ζ 10.402 11.618 −8.394 −4.518
P 0.000* 0.000* 0.000* 0.000*
  1. Note: BCSD represents the maximum depth of cement leakage into the spinal canal. BCA represents the area of bone cement intrusion into the spinal canal. SCA represents the the area of spinal canal at the same level
  2. *Compared with the thoracic vertebral group, P < 0.05