Methodological features of identified studies as defined by the Delphi List11
| Author | Randomisation | Treatment allocation concealed | Baseline similarity | Eligibility criteria specified | Outcome assessor blinded | Care provider blinded | Patient blinded | Point estimates and variability presented | Intention to treat analysis |
| Bridgman13 | + | ? | + | − | + | ? | + | + | ? |
| Delbarre14 | + | ? | ? | − | ? | ? | ? | ? | ? |
| Yates9 | + | ? | ? | − | + | ? | ? | − | ? |
| ARC16 | + | ? | + | + | + | ? | − | + | ? |
| Grant18 | + | + | + | + | + | + | + | + | ? |
+ = yes; − = no; ? = no information provided.