Table 1 Risk of bias of included studies
From: Factors influencing adherence in Hepatitis-C infected patients: a systematic review
Study | Representativeness of study sample | Loss to follow-ups | Measurement of prognostic factor | Measurement of outcome | Accounting for confounders | Statistical analysis |
|---|---|---|---|---|---|---|
Giannelli 2012 [21] | - | + | + | ? | ? | ? |
Lo Re [4] | - | + | ? | + | + | + |
Marcellin 2011 [8] | + | + | ? | + | + | + |
Martín-Santos 2008 [22] | - | ? | + | ? | - | + |
Rodis [23] | + | ? | ? | + | - | ? |
Sola [24] | - | + | ? | + | + | + |
Sylvestre [25] | - | + | + | + | - | + |
Tanioka [26] | + | ? | + | ? | + | + |
Wagner [27] | - | ? | + | + | - | + |