Table 4 Methodological quality assessment of included randomized controlled trials using Delphi list
Variable | Study | |||
|---|---|---|---|---|
Nemoto et al. [20] | Li et al. [22] | Liu et al. [26] | Guo et al. [30] | |
Randomization method used | Yes | Yes | Yes | Yes |
Groups were similar at baseline regarding most important prognostic indicators | Yes | Yes | Yes | Yes |
Eligibility criteria were specified | Yes | Yes | Yes | No |
Outcome assessor was blinded | No | No | Yes | No |
Care provider was blinded | No | No | No | No |
Patient was blinded | No | Yes | No | No |
Point estimates and measures of variability were presented for primary outcome measures | Yes | Yes | Yes | Yes |
Analysis includes an intention-to-treat analysis | No | No | No | No |