Skip to main content

Advertisement

Table 2 Quality of bias assessment of the included studies according to the Cochrane guidelines

From: Impact of ursodeoxycholic acid on circulating lipid concentrations: a systematic review and meta-analysis of randomized placebo-controlled trials

Study Sequence generation Allocation concealment Blinding of participants, personnel and outcome assessors Incomplete outcome data Selective outcome reporting Other sources of bias
Balan et al. (1994) [18] U U L L L U
Battezzati et al. (1993) [21] L L L L L L
Braga et al. (2009) [22] U U U L L U
Carulli et al. (1981) [32] U U U L L U
Fromm et al. (1983) [23] U U U L L U
Gianturco et al. (2013) [39] L L U L L U
Leuschner et al. (2010) [40] U U U L L U
Lindenthal et al. (2002) [33] U U H L L U
Méndez-Sánchez et al. (2004) [19] L L U L L U
Miettinen et al. (1995) [20] U U U L L U
Nakagawa et al. (1977) [37] U L L L L U
Parés et al. (2000) [34] U L L L L U
Poupon et al. (1990) [35] U U U L L U
Poupon et al. (1993) [38] H U U L L U
Vuoristo et al. (1995) [36] U U U L L U
  1. L low risk of bias, H high risk of bias, U unclear risk of bias