Review Article
Rifaximin versus Nonabsorbable Disaccharides for the Treatment of Hepatic Encephalopathy: A Meta-Analysis
Table 2
Summary of methodological quality of included studies on the basis of review authors’ judgments.
| Included studies | Allocation system | Allocation concealment | Patient | Blind observer | Assessor | Handling of missing data |
| Paik et al. 2005 [21] | Yes | Yes | Yes | No | NA | Unclear | Festi et al. 1993 [25] | No | No | Yes | No | NA | Unclear | Bucci and Palmieri 1993 [26] | Yes | Yes | Yes | Yes | NA | Unlcear | Massa et al. 1993 [27] | No | Yes | Yes | Yes | NA | Unclear | Mas et al. 2003 [28] | Yes | Yes | Yes | Yes | NA | Unclear | Loguercio et al. 2003 [29] | No | No | Yes | No | NA | Unclear | Fera et al. 1993 [30] | Yes | Yes | Yes | No | NA | Unclear | Song et al. 2000 [31] | Yes | Yes | Yes | No | NA | Unclear |
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NA: not available.
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