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Table 2 Quality assessment of included studies

From: Balloon kyphoplasty in malignant spinal fractures: a systematic review and meta-analysis

 

Selection Bias

Procedure Bias

Detection Bias

Attrition Bias

Author/year

Representative sample

Consecutive cases

Specific Co-intervention

Pre-post assessment

Independent/

blind assessment

Objective Results

Follow-up >80%

Lieberman[25]

2003.

Yes

Yes

No

Yes

Yes

Yes

NR

Fourney[26]

2003.

Yes

Yes

Yes

Yes

Yes

Yes

No

Lane[27]

2004.

Yes

Yes

Yes

Yes

NR

Yes

Yes

Vrionis[28]

2005.

Yes

Yes

Yes

Yes

NR

NR

Yes

Kose[30]

2006.

Yes

NR

Yes

Yes

NR

Yes

Yes

Pflugmacher[33]

2007.

Yes

NR

Yes

Yes

NR

Yes

Yes

Pflugmacher[34]

2008.

Yes

Yes

Yes

Yes

Yes

Yes

No

  1. NR: Not reported