Table 3.
Quality assessment of Case series studies
| Author | Quality assessment of case series | |||
|---|---|---|---|---|
| Consecutive selection of patients? | Were outcomes measured in an objective way? | Were confounders identified and controlled? | Was follow up sufficiently long and complete | |
| Aglietti et al. (2007) | Yes | ? | No | Yes |
| Bach et al. (2009) | Yes | ? | No | Yes |
| Bankes et al. (2003) | Yes | Yes | No | Yes |
| Howell et al. (2013b) | ? | Yes | Yes | Yes |
| Longstaff et al. (2009) | Yes | Yes | Yes | Yes |
| Rienmüller et al. (2012) | Yes | ? | No | Yes |
Assessed using AHRQ design specific scale (Stang 2010)