Evidence-Based Complementary and Alternative Medicine / 2012 / Article / Tab 2 / Review Article
Traditional Chinese Herbal Medicines for Treating HIV Infections and AIDS Table 2 Risk of bias of included RCTs*.
Study Random sequence generation Allocation concealment Patient blinding Assessor blinding Reporting drop-out or withdrawal† Intention-to-treat analysis† Selective outcome reporting Other potential bias
Wang et al. 2010 [7 ] Low Low Low Low Low Low Low Low
Hsiao et al. 2003 [8 ] Unclear Low Low Low Low High Low Unclear
Özsoy and Ernst 1999 [9 ] Low Low Low Low Low High Low Low
Liu et al. 2005 [10 ] Low Low Low Low Low High Low Low
Bishop et al. 2007 [11 ] Low Low Low Low Low Low Low Low
Tsao et al. 2005 [12 ] Low Low Low Low Low High Low Low
Higgins et al. 2011 [24 ] Unclear Low Low Low Low Low Low Unclear
Burack et al. 1996 [13 ] Low High High High Low Low Low Unclear
Sangkitporn et al. 2005 [14 ] Low Low Low Low Low Low Low Low
Shi and Peng 2003 [15 ] Low Low Low High Low Low Low Unclear
Wang et al. 2006 [16 ] Low Low Low Low Low Low Low Low
Domains of quality assessment based on Cochrane tools for assessing risk of bias.
Two domains referring to “incomplete outcome data” in the Cochrane tools for assessing risk of bias. Abbreviations: low: low risk of bias; high: high risk of bias; unclear: uncertain risk of bias.