Study | Howarth, Sommer & Jordan [31] | Liao, Taghinejadi & Creighton [32] | Zwier [30] |
---|---|---|---|
Question/objective sufficiently described? | Yes | Yes | Yes |
Study design evident and appropriate? | Yes | Yes | Yes |
Method of subject/comparison group selection described and appropriate? | Partial | Yes | Partial |
Subject (and comparison group) characteristics sufficiently described? | Partial | Yes | Yes |
Outcomes well defined and robust to measurement/misclassification bias? Means of assessment reported? | Yes | Yes | Yes |
Sample size appropriate? | Partial | Yes | Yes |
Analytic methods described/justified and appropriate? | Yes | Yes | Yes |
Some estimate of variance is reported for the main results? | Yes | N/A | Yes |
Controlled for confounding? | Partial | N/A | Yes |
Results reported in sufficient detail? | Yes | Yes | Yes |
Conclusions supported by the results? | Yes | Yes | Yes |