Table 2.
Items | Cheng et al. (27) | Chang et al. (28) | De Luna et al. (31) | Fei et al. (32) | Sigari et al. (36) | Inojie et al. (40) |
---|---|---|---|---|---|---|
Adequate randomization | Y | Y | N | Y | Y | Y |
Concealed treatment allocation | Y | Y | U | U | Y | Y |
Patient blinded | Y | Y | U | U | Y | Y |
Care provider blinded | N | N | U | U | U | Y |
Outcome assessor blinded | U | U | U | U | Y | U |
Dropout rate described | Y | Y | N | Y | Y | Y |
All randomized participants analyzed in the groups | Y | Y | Y | Y | Y | Y |
No reports of selective outcome reporting | U | Y | Y | U | Y | Y |
Groups similar at baseline for the most important prognostic indicators | Y | Y | Y | Y | Y | Y |
Cointerventions avoided or similar | Y | Y | Y | Y | Y | Y |
Compliance acceptable in all group | Y | Y | Y | Y | Y | Y |
Time of outcome assessment in all similar groups | Y | Y | Y | Y | Y | Y |
Other sources of potential bias unlikely | Y | Y | U | Y | Y | Y |
Score | 10/13 | 11/13 | 6/13 | 8/13 | 12/13 | 12/13 |
N, no; U, unclear, Y, yes.