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 |