Clear inclusion criteria | No | No | Yes | Yes | Yes | No | Yes | Yes | Yes | No | No |
Reliable data collection | No | Yes | No | Yes | Yes | No | Yes | Yes | Yes | No | No |
Valid methodology for assessing outcomes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | No | No |
Consecutive series | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No | No |
Inclusion of all possible participants/cases | No | No | Yes | No | Yes | Yes | Yes | Yes | Yes | No | Yes |
Relevant demographics reported | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes | Yes | Yes |
Baseline clinical characteristics reported | No | No | No | No | Yes | Yes | No | No | Yes | No | No |
Clear description of outcomes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Study site/setting described | Yes | No | No | No | Yes | Yes | No | No | Yes | Yes | No |
Appropriate statistical analysis | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes |
Total Score (/10) | 6 | 4 | 7 | 7 | 10 | 6 | 8 | 7 | 10 | 4 | 3 |