Table 2 Quality assessment of the randomized controlled trials
Study | Random sequence generation | Allocation concealment | Blinding of participants | Blinding of outcome | Incomplete outcome data addressed | Non-elective reporting | Other bias |
|---|---|---|---|---|---|---|---|
Lofti et al. [20] (PROVE-IT) | U | U | L | L | L | L | L |
Malmstrom et al. [21] | U | U | U | L | L | L | L |
Mitsios et al. [22] | U | U | U | U | L | L | L |
Park et al. [24] | U | U | L | L | L | L | L |
Poyet et al. [25] (OSCAR) | U | U | U | U | L | L | L |
Wenaweser et al. [30] | U | U | L | L | L | U | L |
Wenaweser et al. [31] | U | U | U | U | L | L | U |
Zhang et al. [32] | L | L | U | U | L | L | L |
Pelliccia et al. [38] | U | U | U | U | L | L | U |
J.-M.Lablanche et al. [39] (CENTAURUS) | L | L | L | U | L | L | L |
Guo et al. [40] | U | U | U | U | L | L | H |