Table 5.
Quality assessment of randomized controlled trials using Cochrane Collaboration’s Tool for Assessing Risk of Bias in Randomized Trials
| Study | Selection | Performance | Detection | Attrition | Reporting | |
|---|---|---|---|---|---|---|
| R | A | |||||
| Albino (2014) [24] | ? | – | + | ? | – | – |
| du Cheyron (2013) [20] | – | – | + | ? | + | – |
| Lima (2012) [23] | – | ? | + | ? | – | – |
| Robert (2012) [25] | – | ? | + | ? | + | – |
| Paganini (1996) [26] | ? | ? | + | ? | – | ? |
+ High risk of bias, − low risk of bias, ? unknown risk of bias (moderate is not an option); A allocation concealment, R random sequence generation