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Table 3 The frequency of bone cement leakage into the spinal canal

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

  T6 T7 T8 T9 T10 T11 T12 L1 L2 L3 L4 L5 Total
Single vertebra 6 4 12 8 20 32 41 39 30 16 15 11 234
Double vertebrae 5 7 8 11 13 8 30 24 22 16 11 9 164
Three vertebrae 2 5 3 5 9 11 10 9 5 2 1 1 63
Four vertebrae 1 2 3 3 5 8 11 8 5 3 1 2 52
Five vertebrae 1 2 2 2 3 5 6 4 4 1 3 2 35
Total 15 20 28 29 50 64 98 84 66 38 31 25 548
The amounts of bone cement leakage(n) 1 2 2 3 5 7 11 5 2 1 1 0 40
The rates of bone cement leakage (%) 6.7 10.0 7.1 10.3 10.0 10.9 11.2 5.9 3.0 2.7 3.2 0 7.3