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Table 2 Univariate analysis for the occurrence of cement leakage in general

From: Cement leakage in percutaneous vertebroplasty for spinal metastases: a retrospective study of risk factors and clinical outcomes

Features

No leakage = 49

Leakage = 64

P

Previous chemo/radiotherapy

  

0.414

 No

23 (46.9%)

35 (54.7%)

 

 Yes

26 (53.1%)

29 (45.3%)

 

Tomita classification

  

0.026

 Slow

10 (20.4%)

19 (29.7%)

 

 Moderate

2 (4.1%)

11 (17.2%)

 

 Rapid

37 (75.5%)

34 (53.1)

 

Post-OP chemo/radiotherapy

  

0.002

 No

5 (10.2%)

23 (35.9%)

 

 Yes

44 (89.8%)

41 (64.1%)

 

Other metastasis

  

0.795

 No

31 (63.3%)

42 (65.6%)

 

 Yes

18 (36.7%)

22 (34.4%)

 

Vertebra level

  

0.030

 Thoracic

26 (53.1%)

21 (32.8%)

 

 Lumbar

23 (46.9%)

43 (67.2%)

 

Collapse

  

0.866

 No

30 (62.5%)

39 (60.9%)

 

 Yes

18 (37.5%)

25 (39.1%)

 

Posterior wall destruction

  

< 0.001

 No

2 (4.1%)

22 (34.4%)

 

 Yes

47 (95.9%)

42 (65.6%)

 

Injected laterality

  

0.002

 Single

25 (51.0%)

15 (23.4%)

 

 Bilateral

24 (49.0%)

49 (76.6%)

 

Injected volume

5.75 (4.00–6.00)

4.00 (3.00–6.00)

0.007