Table 2 Risk of bias assessments
From: Cannabis use and the risk of tuberculosis: a systematic review
Author, year | Domain-level judgments | Overall judgement | |||||
|---|---|---|---|---|---|---|---|
Bias due to confounding | Bias in selection of participants into the study | Bias in classification of exposures | Bias due to missing data | Bias in measurement of outcomes | Bias in selection of the reported result | ||
Morano, 2014 [21] | Moderate | Moderate | Moderate | Serious | Moderate | Moderate | Serious |
Munckhof, 2003 [11] | Moderate | Serious | Moderate | Serious | Low | Moderate | Serious |
Thu, 2014 [22] | Serious | Serious | Moderate | No information | Low | Moderate | Serious |
Oeltmann, 2006 [9] | Serious | Serious | Moderate | No information | Low | Moderate | Serious |
Han, 2010 [19] | Moderate | Moderate | Moderate | No information | Serious | Moderate | Serious |
Davis, 2017a [20] | Moderate | Low | Moderate | No information | Serious | Moderate | Serious |
Davis, 2017b [20] | Serious | Low | Moderate | No information | Serious | Moderate | Serious |