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Table 1 Characteristics of patients

From: Risk factors for cement leakage and nomogram for predicting the intradiscal cement leakage after the vertebra augmented surgery

Number of patients, n (%) 268
 Male 56 (20.8)
 Female 212 (79.2)
Mean age, y 74.1
Levels of vertebrae, n 295
Cortical disruption, n (%)
 Upper endplate 189 (64.1)
 Lower endplate 30 (10.2)
 Anterior wall 79 (26.8)
 Posterior wall 7 (2.4)
Number of treated vertebrae
Per session, n (%)
 1 240 (89.6)
 2 27 (10.1)
 3 1 (0.4)
Surgery method, n (%)
 PKP 198 (67.1)
 PVP 97 (32.9)
Preoperative IVC, n (%) 68 (23.1)
Total cement leakage, n (%) 96 (32.5)
 Vein leakage 22 (7.5)
 Intradiscal leakage 44 (14.9)
 Perivertebral soft tissue leakage 35 (11.9)
 Spinal canal leakage 8 (2.7)
  1. PKP percutaneous kyphoplasty, PVP percutaneous vertebroplasty, IVC intravertebral vacuum cleft