From: Quality of life in primary sclerosing cholangitis: a systematic review
 | Sequence generation | Allocation concealment | Blinding of participants and personnel | Blinded outcome assessment | Incomplete outcome data | Selective outcome reporting | Other bias |
---|---|---|---|---|---|---|---|
ter Borg 2004 | Low | Low | Low | Low | Low | Unclear | Low |
Olsson 2005 | Low | Low | Low | Unclear | High | Unclear | Low |
Hommes 2008 | Low | Unclear | Low | Unclear | High | Unclear | Low |
Tabibian 2013 | Low | Unclear | Low | Low | High | High | High |
Rahimpour 2016 | Low | Low | Low | Low | Low | Low | High |
Fickert 2017 | Low | Unclear | Low | Low | High | High | Low |
Ponsioen 2018 | Low | Unclear | High | Unclear | High | High | Low |
Mayo 2019 | Low | Low | Low | Low | Low | High | Low |